{"id":256805,"date":"2023-04-27T14:34:06","date_gmt":"2023-04-27T12:34:06","guid":{"rendered":"https:\/\/sherpas.com\/blog\/?p=256805"},"modified":"2026-11-02T11:37:30","modified_gmt":"2026-11-02T10:37:30","slug":"chiffres-romains-histoire-utilisation","status":"publish","type":"post","link":"https:\/\/sherpas.com\/blog\/chiffres-romains-histoire-utilisation\/","title":{"rendered":"Chiffres romains : histoire et utilisation \ud83d\udd22"},"content":{"rendered":"\n<p>Ils sont pr\u00e9sents dans tes cours d\u2019histoire, sur ta montre, l\u2019horloge de ta grand-m\u00e8re ou le livre que tu es en train de lire&#8230; Si les chiffres romains sont <strong>diss\u00e9min\u00e9s un peu partout<\/strong>, il est fort probable que tu ne saches pas d\u2019o\u00f9 ils viennent, ni pourquoi on les utilise encore. Pourtant, ce syst\u00e8me a servi \u00e0 compter pendant des si\u00e8cles, bien avant les chiffres que tu manipules aujourd\u2019hui en <a href=\"https:\/\/sherpas.com\/cours\/maths\">cours de maths<\/a>.<\/p>\n\n\n\n<p>\u00c0 l\u2019heure o\u00f9 plusieurs c\u00e9l\u00e8bres <a href=\"https:\/\/sherpas.com\/blog\/lifestyle\/loisirs-et-bons-plans\/\" data-type=\"post\" data-id=\"225379\">mus\u00e9es<\/a> comme le mus\u00e9e Carnavalet ou le Louvre s\u2019appr\u00eatent \u00e0 bannir la notation de chiffres romains (I, II, III) au profit des chiffres arabes (1, 2, 3\u2026) &#8211; au grand damn des intellectuels &#8211; nous avons d\u00e9cid\u00e9 de <strong>d\u00e9crypter l\u2019histoire et l\u2019utilisation de ces nombres<\/strong> \u00e9tranges que l\u2019on \u00e9crit avec des lettres. III, II, I, c\u2019est parti ! \ud83c\udffa<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"linvention-des-chiffres-romains\">L\u2019invention des chiffres romains&nbsp;<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"presentation-des-chiffres-romains\">Pr\u00e9sentation des chiffres romains&nbsp;<\/h3>\n\n\n\n<p>Tout d\u2019abord, quelle est l\u2019histoire de ces symboles ?&nbsp;<\/p>\n\n\n\n<p>Comme leur nom l\u2019indique, les chiffres romains ont \u00e9t\u00e9 invent\u00e9s\u2026 par les Romains (bien jou\u00e9 Sherlock) durant l\u2019Antiquit\u00e9 ! L\u2019objectif ? \u00c9crire les nombres entiers\u2026 avec seulement VII (sept, \u00e7a va venir !) <strong>lettres : I, V, X, L, C, D et M. <\/strong>Chaque chiffre est repr\u00e9sent\u00e9 par <strong>un ou plusieurs signes<\/strong>.<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>Le savais-tu ? \ud83d\udca1<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><span style=\"font-weight: 400\">Les Romains n\u2019utilisent pas de symbole pour repr\u00e9senter le z\u00e9ro. Selon eux, cela repr\u00e9sente le vide.<\/span><\/p>\n\n        <\/div>\n              <\/section>\n\n\n\n<p>L\u2019\u00e9criture des chiffres se faisait \u00e0 l\u2019origine \u00e0 <strong>l\u2019aide d\u2019entailles ou d\u2019encoches sur des baguettes<\/strong>. Cela explique leur forme assez simpliste qu\u2019on arrive encore \u00e0 reproduire aujourd\u2019hui.<\/p>\n\n\n<section class=\"relance\">\n        <div >\n                            <a rel=\"nofollow\" target=\"_blank\" href=\"https:\/\/sherpas.com\/funnel-student-qualification?subject=Maths\">\n                    <div class=\"relance__container\"\n                        >\n                        \n                                                        <picture>\n                            <source srcset=\"https:\/\/sherpas.com\/content\/uploads\/2021\/10\/cours-particuliers-e1608309181797.jpg\" media=\"(min-width: 999px)\">\n                            <source srcset=\"https:\/\/sherpas.com\/content\/uploads\/2021\/10\/cours-particuliers-e1608309181797.jpg\" media=\"(max-width: 999px)\">\n                                <img decoding=\"async\"\n                                    src=\"https:\/\/sherpas.com\/content\/uploads\/2021\/10\/cours-particuliers-e1608309181797.jpg\"\n                                    alt=\"Professeur qui donne des cours particuliers de maths \u00e0 domicile\"\n                                >\n                            <\/picture>\n                                                <div class=\"relance__content\">\n                            \n                                <div class=\"relance__title\"> <p>Envie de progresser plus vite en maths ? Prends un cours avec l&rsquo;un de nos sherpas !<\/p>\n<\/div>\n                                                        <button type=\"button\"\n                                    class=\"relance__button btn btn-white\">\n                                Trouve ton prof !\n                            <\/button>\n                        <\/div>\n                    <\/div>\n                <\/a>\n                    <\/div>\n    <\/section>\n\n    \n\n\n<h3 class=\"wp-block-heading\" id=\"lorigine-du-comptage\">L&rsquo;origine du comptage<\/h3>\n\n\n\n<p>Au temps de la pr\u00e9histoire, les hommes comptaient d\u00e9j\u00e0. Ils \u00e9crivaient <strong>des traits sur les murs <\/strong>\u00e0 la mani\u00e8re des prisonniers qui comptent le nombre de jours o\u00f9 ils ont \u00e9t\u00e9 enferm\u00e9s. Par exemple, pour compter les troupeaux, ils tra\u00e7aient un trait par b\u00eate qui sort.&nbsp;<\/p>\n\n\n\n<p>Cette m\u00e9thode de comptage <strong>\u00e9volue pendant l\u2019Antiquit\u00e9<\/strong>, pour pouvoir compter plus de gens. Chaque soldat doit d\u00e9poser un caillou dans une urne en partant \u00e0 la guerre. Au retour, chaque survivant doit reprendre son caillou. R\u00e9sultat des courses, ceux restant permettent de d\u00e9terminer le nombre de morts sur le champ de bataille. C\u2019est \u00e9galement utilis\u00e9 pour compter le b\u00e9tail ou les marchandises.&nbsp;<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>Info \ud83d\udca1<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><span style=\"font-weight: 400\">En latin, <strong>caillou se dit <\/strong><\/span><strong><i>calculus<\/i><\/strong><span style=\"font-weight: 400\">. D\u2019o\u00f9 vient le mot calculer aujourd\u2019hui\u2026 ! \ud83d\ude09<\/span><\/p>\n\n        <\/div>\n              <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"evolution\">\u00c9volution<\/h2>\n\n\n\n<p>Cette m\u00e9thode n\u2019est cependant pas toujours tr\u00e8s pratique. Aussi continue-t-elle d\u2019\u00e9voluer\u2026<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"linfluence-etrusque\">L\u2019influence \u00e9trusque<\/h3>\n\n\n\n<p><strong>Les chiffres romains sont un h\u00e9ritage des \u00e9trusques<\/strong>. Cette civilisation pr\u00e9-romaine utilisaient d\u00e9j\u00e0 un syst\u00e8me de num\u00e9ration bas\u00e9 sur des symboles.&nbsp;Les Romains se sont inspir\u00e9s de ce mod\u00e8le en inventant d&rsquo;autres signes.<\/p>\n\n\n<section class=\"push \">\n        <div >\n            \n                                                <div class=\"push__container  qcd\" data-target=\"_self\" data-qcd=\"aHR0cHM6Ly9zaGVycGFzLmNvbS9mdW5uZWwtc3R1ZGVudC1xdWFsaWZpY2F0aW9u\" data-banner=\"2\" data-name=\"Cours part\u2019 global #2 = CPG2\" style=\"background-color: #F3FBF7\" >\n                                                                        <div class=\"push__teachers\">\n    <div class=\"d-flex justify-content-center d-md-none\">\n        <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\" alt=\"Logo Sherpas\">\n    <\/div>\n    <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                                       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                        <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">21\u20ac\/h\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Thibault2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Thibault<\/p>                          <p class=\"push__teachers-school\">ENS Paris Ulm<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">20\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Sophie2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Sophie<\/p>                          <p class=\"push__teachers-school\">Sciences Po Bordeaux<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">12\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Noemie2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">No\u00e9mie<\/p>                          <p class=\"push__teachers-school\">M2 en droit \u00e0 Assas<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">19\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Fanny2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Fanny<\/p>                          <p class=\"push__teachers-school\">Ponts ParisTech<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">19\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Simon2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Simon<\/p>                          <p class=\"push__teachers-school\">4e ann\u00e9e de m\u00e9decine<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">26\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Nicolas2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Nicolas<\/p>                          <p class=\"push__teachers-school\">CentraleSup\u00e9lec<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">17\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Victor2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Victor<\/p>                          <p class=\"push__teachers-school\">ESCP<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">25\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n                                                    <div class=\"push__content\">\n                                                            <div  class=\"d-none d-md-block\" >\n                                    <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\"\n                                        alt=\"Logo Sherpas\">\n                                <\/div>\n                                                                                        <div class=\"push__title\"><p>Besoin d&rsquo;un prof particulier ? <span role=\"img\" aria-label=\"\u2728\">\u2728<\/span><!-- notionvc: 9b5ed38b-ea2e-4d3c-a3bb-f0091c2eedd2 --><\/p>\n<\/div>\n                                                                                        <div class=\"push__text\"><p>Nos profs sont l\u00e0 pour t&rsquo;aider \u00e0 progresser !<\/p>\n<p>&nbsp;<\/p>\n<p><!-- notionvc: 20490bdd-6579-484b-9d99-0ff0bc1aa8e7 --><\/p>\n<\/div>\n                                                        <div class=\"push__promo-button   \">\n                                                                                                    <div\n                                        class=\"btn btn-primary\"\n                                        style=\"color: ; border-color: ; background-color: \"\n\n                                    >\n                                        JE PRENDS UN COURS OFFERT !\n                                    <\/div>\n                                                            <\/div>\n                                                    <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/section>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"le-passage-a-de-nouveaux-chiffres-les-nombres-romains\">Le passage \u00e0 de nouveaux chiffres : les nombres romains&nbsp;<\/h3>\n\n\n\n<p>\u00c0 quelle date les chiffres romains ont-ils commenc\u00e9 \u00e0 \u00eatre utilis\u00e9s ? Les historiens et math\u00e9maticiens, comme George Ifrah, n\u2019arrivent pas \u00e0 se mettre d\u2019accord. Au mieux peut-on dire que c\u2019est<strong> entre 900 et 500 ans avant J\u00e9sus-Christ (J.C)<\/strong>, soit entre le VIII\u00e8me et le IV\u00e8me si\u00e8cle.&nbsp;<\/p>\n\n\n\n<p>Les Romains se sont dit qu\u2019ils allaient <strong>utiliser leurs doigts<\/strong>. Probl\u00e8me ? On n\u2019a que deux mains, soit dix doigts. Comment faire lorsqu\u2019il faut aller au-del\u00e0 ?<\/p>\n\n\n\n<p>Ils ont eu l\u2019id\u00e9e suivante :<\/p>\n\n\n\n<p>\u2022 Un premier berger compte<strong> les moutons un par un jusqu\u2019\u00e0 10<\/strong>, soit 2 mains (les unit\u00e9s).<\/p>\n\n\n\n<p>\u2022 Un deuxi\u00e8me berger compte <strong>les dizaines en levant un doigt \u00e0 chaque fois qu\u2019on atteint 10<\/strong>, soit le nombre de fois qu&rsquo;on atteint 2 mains&nbsp;(les dizaines)<\/p>\n\n\n\n<p>\u2022 Un troisi\u00e8me berger compte <strong>les centaines en levant un doigt \u00e0 chaque fois qu\u2019on atteint 100<\/strong> (les centaines)<\/p>\n\n\n\n<p>C\u2019est ainsi que s\u2019est construit le <strong>comptage en base de dix <\/strong>(unit\u00e9s, dizaines, centaines, \u2026) que l\u2019on retrouve dans les chiffres romains.&nbsp;<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>Le savais-tu ? \ud83d\udca1<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><span style=\"font-weight: 400\">Selon certains historiens, <strong>les chiffres romains repr\u00e9sentent le nombre de doigts<\/strong>, et le cinq repr\u00e9sente une main enti\u00e8re avec le pouce.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400\">On remarque \u00e9galement que le chiffre dix correspond aux pouces des deux mains qui se croisent. Cela forme un X. \ud83d\ude2e<\/span><\/p>\n\n        <\/div>\n              <\/section>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"728\" height=\"703\" src=\"https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/pouce-croisee.jpeg\" alt=\"Pouce dans le pouce\" class=\"wp-image-256820\" style=\"width:314px;height:303px\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/pouce-croisee.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=728 728w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/pouce-croisee.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/pouce-croisee.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=129 129w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/pouce-croisee.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=282 282w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/pouce-croisee.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/pouce-croisee.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=384 384w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/pouce-croisee.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/pouce-croisee.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 728px) 100vw, 728px\" \/><figcaption class=\"wp-element-caption\"><em>Les pouces crois\u00e9s font un dix romain<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<p>Lorsque Jules C\u00e9sar conquiert la Gaule en -100 (au Ier si\u00e8cle avant JC, avec Al\u00e9sia en -52, tout \u00e7a tout \u00e7a), les Romains apprennent \u00e0 \u00e9crire et \u00e0 lire aux Gaulois. En effet, les druides leur ont interdit d\u2019apprendre l\u2019\u00e9criture. C\u2019est ainsi que <strong>cela s\u2019est transmis \u00e0 nous<\/strong>. On peut encore retrouver des chiffres romains sur certains monuments ou documents. Par exemple, il y en a d&rsquo;inscrits sur le Pont du Gard pr\u00e8s de N\u00eemes ; on peut les voir aujourd\u2019hui !<\/p>\n\n\n\n<p>Les chiffres romains qu\u2019on conna\u00eet (et utilise encore comme on va te le montrer) n&rsquo;ont pas toujours \u00e9t\u00e9 \u00e9crits ainsi. Au contraire, chacun des sept (VII) signes a subi des \u00e9volutions au fil du temps.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" width=\"486\" height=\"440\" src=\"https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/tableau_etrusque.jpeg\" alt=\"Ok, c'est pas tr\u00e8s diff\u00e9rent mais quand m\u00eame\" class=\"wp-image-256807\" style=\"width:486px;height:440px\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/tableau_etrusque.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=486 486w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/tableau_etrusque.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=300 300w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/tableau_etrusque.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=138 138w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/tableau_etrusque.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/tableau_etrusque.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=410 410w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/tableau_etrusque.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/tableau_etrusque.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=60 60w\" sizes=\"(max-width: 486px) 100vw, 486px\" \/><\/figure>\n<\/div>\n\n\n<p>Ils ont \u00e9t\u00e9 abandonn\u00e9s progressivement au profit des chiffres arabes \u00e0 partir du X\u00e8me si\u00e8cle en Europe (\u00e0 moins que tu ne vives dans une <a href=\"https:\/\/sherpas.com\/blog\/analyse-allegorie-caverne-platon-sherpas\/\" data-type=\"post\" data-id=\"256593\">grotte<\/a> et continue d&rsquo;utiliser les mains pour compter). Ce sont les nombres que l\u2019on utilise le plus souvent au quotidien ! \u270d\ufe0f<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>Le savais-tu ? \ud83d\udca1<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><span style=\"font-weight: 400\"><strong>Les chiffres arabes<\/strong> correspondent aux chiffres que l\u2019on utilise au quotidien : 0, 1, 2, 3, 4, 5, 6, 7, 8 et 9.\u00a0\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400\">Ils sont eux-m\u00eames d\u00e9riv\u00e9s des chiffres indiens plus anciens, encore en usage en Inde. Ils ont \u00e9t\u00e9 import\u00e9s et utilis\u00e9s dans le monde musulman \u00e0 partir du IX\u00e8me si\u00e8cle. Des math\u00e9maticiens des pays chr\u00e9tiens se sont initi\u00e9s \u00e0 cette \u00e9criture et l&rsquo;ont diffus\u00e9e dans leur pays \u00e0 partir du X\u00e8me si\u00e8cle. Le trac\u00e9 des chiffres continue d\u2019\u00e9voluer avec le temps. Ainsi, la graphie que nous utilisons actuellement en Occident n\u2019est fix\u00e9e qu\u2019au XV\u00e8me si\u00e8cle ! Pas si tard l&rsquo;\u00e9poque que \u00e7a&#8230; \ud83d\ude05<\/span><\/p>\n\n        <\/div>\n              <\/section>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"quels-emplois-aujourdhui\">Quels emplois aujourd\u2019hui ?<\/h3>\n\n\n\n<p>L\u2019usage des chiffres romains aujourd\u2019hui est encore r\u00e9gulier dans quelques endroits ou lors d\u2019\u00e9v\u00e9nements. Voici une liste d&rsquo;exemples.&nbsp;&nbsp;<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"lheure\">L\u2019heure<\/h4>\n\n\n\n<p>Sur certaines montres et horloges, tu peux encore y voir des chiffres romains.&nbsp;<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"461\" height=\"615\" src=\"https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/Big-Ben.jpeg\" alt=\"\u00c7a ne se voit pas bien mais on t'assure qu'il y a bien des chiffres romains !\" class=\"wp-image-256808\" srcset=\"https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/Big-Ben.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=461 461w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/Big-Ben.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=225 225w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/Big-Ben.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=94 94w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/Big-Ben.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=204 204w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/Big-Ben.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=288 288w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/Big-Ben.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=278 278w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/Big-Ben.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=265 265w, https:\/\/xapbm7c37i.cloudimg.io\/https:\/\/sherpas.com\/blog\/content\/uploads\/2023\/04\/Big-Ben.jpeg?q=85&amp;force_format=webp&amp;org_if_sml=1&amp;w=45 45w\" sizes=\"(max-width: 461px) 100vw, 461px\" \/><figcaption class=\"wp-element-caption\"><em>Cette horloge te dit quelque chose ? \ud83c\uddec\ud83c\udde7<\/em><\/figcaption><\/figure>\n<\/div>\n\n\n<h4 class=\"wp-block-heading\" id=\"les-chapitres\">Les chapitres<\/h4>\n\n\n\n<p>Dans beaucoup de livres, <strong>les chapitres sont \u00e9crits avec des chiffres romains<\/strong>. Toutefois, cela a tendance \u00e0 \u00eatre concurrenc\u00e9 avec les chiffres arabes sans aucune explication.&nbsp;\ud83e\udd14<\/p>\n\n\n\n<p>Attention : Les num\u00e9ros de page (d\u2019un livre, document\u2026) sont toujours en chiffres arabes !<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>\u26a0\ufe0f Cas particulier<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><span style=\"font-weight: 400\">En g\u00e9n\u00e9ral, les actes et sc\u00e8nes d\u2019une pi\u00e8ce de th\u00e9\u00e2tre sont marqu\u00e9s en chiffres romains. Par exemple, on parlera de l&rsquo;acte V, sc\u00e8ne II dans <\/span><a href=\"https:\/\/sherpas.com\/blog\/phedre-racine\/\"><span style=\"font-weight: 400\">Ph\u00e8dre <\/span><\/a><span style=\"font-weight: 400\">de Racine.<\/span><\/p>\n\n        <\/div>\n              <\/section>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"les-rois-de-france-les-papes\">Les rois de France, les papes<\/h4>\n\n\n\n<p>Pour d\u00e9signer <strong>les rois de France ainsi que les papes<\/strong> et quelques figures importantes, on utilise les chiffres romains. Cela permet de <strong>marquer la chronologie et la hi\u00e9rarchie<\/strong>. Ainsi, les rois d\u2019Angleterre Henri VII (sept), fondateur de la dynastie des Tudor en Angleterre, et <a href=\"https:\/\/sherpas.com\/blog\/henri-viii\/\" data-type=\"post\" data-id=\"253530\">Henri VIII<\/a> (huit) se sont succ\u00e9d\u00e9.<\/p>\n\n\n\n<p>&nbsp;De m\u00eame, l\u2019ancien Pape a d\u00e9cid\u00e9 de s\u2019appeler Beno\u00eet. Or, il y en a eu quinze avant lui. Son nom fut donc le pape Beno\u00eet XVI (seize, comme tu t\u2019en doute).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"numeros-dordre-des-regimes-politiques\">Num\u00e9ros d&rsquo;ordre des r\u00e9gimes politiques&nbsp;<\/h4>\n\n\n\n<p>Les <strong><a href=\"https:\/\/sherpas.com\/blog\/les-differents-types-de-regimes-politiques\/\" data-type=\"post\" data-id=\"229811\">r\u00e9gimes politiques<\/a><\/strong> sont nomm\u00e9s par des chiffres romains. <\/p>\n\n\n\n<p>Ainsi, on d\u00e9signe la p\u00e9riode politique de 1792 \u00e0 1804 en France comme la I\u00e8re R\u00e9publique (avant que <a href=\"https:\/\/sherpas.com\/blog\/portrait-de-napoleon\/\" data-type=\"post\" data-id=\"243697\">Napol\u00e9on<\/a> n\u2019arrive et relance la machine avec le Premier Empire).&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video autoplay loop muted playsinline poster=\"https:\/\/sherpas.com\/content\/uploads\/2026\/11\/chiffres-romains-histoire-utilisation-gif-1-poster.webp\" src=\"https:\/\/sherpas.com\/content\/uploads\/2026\/11\/chiffres-romains-histoire-utilisation-gif-1.mp4\" width=\"480\" height=\"270\" style=\"aspect-ratio: 480 \/ 270;max-width:100%;width:480px;height:auto\" aria-label=\"I, II, III... Soleil !\"><\/video><figcaption class=\"wp-element-caption\"><em>Emmanuel Macron t&rsquo;apprend \u00e0 compter<\/em><\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"les-arrondissements\">Les arrondissements&nbsp;<\/h4>\n\n\n\n<p>Les arrondissements des grandes villes fran\u00e7aises, Paris, Lyon et Marseille, sont \u00e9crits avec des chiffres romains.&nbsp;<\/p>\n\n\n\n<p>La r\u00e9daction des Sherpas est implant\u00e9e dans le XVI\u00e8me arrondissement de Paris.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"noms-des-universites\">Noms des universit\u00e9s<\/h4>\n\n\n\n<p>Les noms des universit\u00e9s sont parfois \u00e9crits avec leur chiffre romain.&nbsp;<\/p>\n\n\n\n<p>L&rsquo;universit\u00e9 Sorbonne-Nouvelle, appel\u00e9e aussi Sorbonne-Nouvelle, a un autre nom officiel : l\u2019universit\u00e9 Paris-III.<\/p>\n\n\n<section class=\"read-also\">\n    <p class=\"read-also__title\">\u00c0 lire aussi<\/p>\n            <div class=\"read-also__list\">\n            <p><a href=\"https:\/\/sherpas.com\/blog\/classement-des-universites-en-france\/\">Top 10 : Classement des Universit\u00e9s en France \ud83c\udf93<\/a><\/p>\n\n        <\/div>\n    <\/section>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"armees\">Arm\u00e9es<\/h4>\n\n\n\n<p>Dans les arm\u00e9es, on utilise les chiffres romains pour <strong>distinguer les diff\u00e9rents corps<\/strong>.&nbsp;<\/p>\n\n\n\n<p>Ainsi, la VIII<sup>\u00e8me<\/sup> arm\u00e9e britannique a combattu lors de la campagne d&rsquo;Afrique du nord. C&rsquo;est l&rsquo;une des formations les plus c\u00e9l\u00e8bres de la <a href=\"https:\/\/sherpas.com\/blog\/seconde-guerre-mondiale-1939-1945\/\" data-type=\"post\" data-id=\"189476\">Seconde Guerre mondiale<\/a>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"films\">Films<\/h4>\n\n\n\n<p>Pour parler de (longues) sagas, les producteurs d\u00e9cident souvent d\u2019utiliser des chiffres romains pour distinguer l\u2019ordre des films\u2026 Quitte \u00e0 jouer avec sur l\u2019affiche \u00e0 l&rsquo;image (c&rsquo;est le cas de le dire) ! Par exemple, tu peux voir sur les affiches des films de <em>Saw<\/em> des membres pour dessiner les num\u00e9ros : dents, doigts&#8230; ! \ud83d\ude35<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video autoplay loop muted playsinline poster=\"https:\/\/sherpas.com\/content\/uploads\/2026\/11\/chiffres-romains-histoire-utilisation-gif-2-poster.webp\" src=\"https:\/\/sherpas.com\/content\/uploads\/2026\/11\/chiffres-romains-histoire-utilisation-gif-2.mp4\" width=\"368\" height=\"324\" style=\"aspect-ratio: 368 \/ 324;max-width:100%;width:368px;height:auto\" aria-label=\"L'ambiance est moins bonne, d'un coup\"><\/video><figcaption class=\"wp-element-caption\"><em>Plus flippant que Fant\u00f4mas <\/em><\/figcaption><\/figure>\n\n\n<section class=\"read-also\">\n    <p class=\"read-also__title\">\u00c0 lire aussi<\/p>\n            <div class=\"read-also__list\">\n            <p>Pour rester dans l&rsquo;ambiance Saw, va lire notre \u00a0<a href=\"https:\/\/sherpas.com\/blog\/films-dhorreur\/\">Top 10 des meilleurs films d\u2019horreur \u00e0 regarder pour Halloween !<\/a><\/p>\n\n        <\/div>\n    <\/section>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"des-evenements-internationaux\">Des \u00e9v\u00e9nements internationaux<\/h4>\n\n\n\n<p>Tu as vu ? Grande annonce : il y a quelques mois, Rihanna a fait son grand retour en tant que chanteuse lors du Super Bowl 53\u2026 Euh, on voulait dire Super Bowl LIII ! \ud83c\udfa4<\/p>\n\n\n\n<p>Eh oui, ils ne sont pas utilis\u00e9s que dans la langue fran\u00e7aise !<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"les-siecles\">Les si\u00e8cles<\/h4>\n\n\n\n<p>On parle des si\u00e8cles avec des chiffres romains <em>as well<\/em>. <\/p>\n\n\n\n<p>Par exemple, la bonne notation est <a href=\"https:\/\/sherpas.com\/blog\/leurope-des-lumieres\/\">l\u2019Europe des Lumi\u00e8res au XVIII si\u00e8cle<\/a>.&nbsp;<\/p>\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>Astuce \ud83e\udde0<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><span style=\"font-weight: 400\">Tu ne sais jamais \u00e0 quel si\u00e8cle correspond quel \u00e9v\u00e9nement ?\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400\"><strong>Le premier si\u00e8cle commence avec la naissance de J\u00e9sus-Christ<\/strong> <strong>en l\u2019an 1 et s\u2019ach\u00e8ve en l\u2019an 100.<\/strong> Le deuxi\u00e8me commence en l\u2019an 101 et s\u2019ach\u00e8ve en l\u2019an 200&#8230;. Il y a un d\u00e9calage entre la date et le si\u00e8cle.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400\">Pour savoir dans quel si\u00e8cle se situe une date, on retire les deux derniers chiffres de la date. On ajoute 1 et on \u00e9crit le r\u00e9sultat en chiffres romains. Exemple : la d\u00e9couverte de l\u2019Am\u00e9rique de 1492. On retire 92, on ajoute 1 \u00e0 14 soit 1 + 14 = 15, la d\u00e9couverte de l\u2019Am\u00e9rique par Christophe Colomb \u00e9tait au le XV\u00e8me si\u00e8cle.<\/span><\/p>\n\n        <\/div>\n              <\/section>\n\n\n<section class=\"read-also\">\n    <p class=\"read-also__title\">\u00c0 lire aussi<\/p>\n            <div class=\"read-also__list\">\n            <p>Tu ne sais pas qui est Christophe Colomb ? Lis notre article \u00ab\u00a0<a href=\"https:\/\/sherpas.com\/blog\/les-grands-navigateurs\/\">les grands navigateurs : qui \u00e9taient-ils ? \ud83d\udd2e\u00a0\u00bb<\/a><\/p>\n\n        <\/div>\n    <\/section>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"comment-les-lire\">Comment<strong> l<\/strong>es lire ?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"les-chiffres-romains-quel-chiffre-correspond-a-quoi\">Les chiffres romains : quel chiffre correspond \u00e0 quoi ?<\/h3>\n\n\n\n<p><\/p>\n\n\n\n<table id=\"tablepress-1467\" class=\"tablepress tablepress-id-1467\">\n<thead>\n<tr class=\"row-1\">\n\t<th class=\"column-1\">Chiffre romain<\/th><th class=\"column-2\">Valeur num\u00e9rique<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n\t<td class=\"column-1\">I<\/td><td class=\"column-2\">1<\/td>\n<\/tr>\n<tr class=\"row-3\">\n\t<td class=\"column-1\">II<\/td><td class=\"column-2\">2<\/td>\n<\/tr>\n<tr class=\"row-4\">\n\t<td class=\"column-1\">III<\/td><td class=\"column-2\">3<\/td>\n<\/tr>\n<tr class=\"row-5\">\n\t<td class=\"column-1\">IV<\/td><td class=\"column-2\">4<\/td>\n<\/tr>\n<tr class=\"row-6\">\n\t<td class=\"column-1\">V<\/td><td class=\"column-2\">5<\/td>\n<\/tr>\n<tr class=\"row-7\">\n\t<td class=\"column-1\">X<\/td><td class=\"column-2\">10<\/td>\n<\/tr>\n<tr class=\"row-8\">\n\t<td class=\"column-1\">L<\/td><td class=\"column-2\">50<\/td>\n<\/tr>\n<tr class=\"row-9\">\n\t<td class=\"column-1\">C<\/td><td class=\"column-2\">100<\/td>\n<\/tr>\n<tr class=\"row-10\">\n\t<td class=\"column-1\">D<\/td><td class=\"column-2\">500<\/td>\n<\/tr>\n<tr class=\"row-11\">\n\t<td class=\"column-1\">M<\/td><td class=\"column-2\">1 000<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<!-- #tablepress-1467 from cache -->\n\n\n<section class=\"you-know\">\n                <div class=\"you-know__title\"><p>Astuce \ud83e\udde0<\/p>\n<\/div>\n                        <div class=\"you-know__text\">\n            <p><span style=\"font-weight: 400\">On a vu que I, V et X viennent sans doute des mains. <strong>Quid de L, C, D et M ?\u00a0<\/strong><\/span><\/p>\n<p><span style=\"font-weight: 400\">L\u2192 quinquaginta : cinquante<\/span><\/p>\n<p><span style=\"font-weight: 400\">C\u2192 centum : cent<\/span><\/p>\n<p><span style=\"font-weight: 400\">D\u2192 quingenti : cinq-cent\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400\">M\u2192 millia ou millium : mille<\/span><\/p>\n<p><span style=\"font-weight: 400\">Quelle lettre correspond \u00e0 quel chiffre ?<\/span><\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400\">Il existe un moyen mn\u00e9motechnique pour retenir quel symbole utiliser : <strong>I<\/strong>l <strong>v<\/strong>e<strong>x<\/strong>e <strong>l<\/strong>e<strong> c<\/strong>ommun <strong>d<\/strong>es <strong>m<\/strong>ortels.<\/span><\/p>\n\n        <\/div>\n              <\/section>\n\n\n<section class=\"push \">\n        <div >\n            \n                                                <div class=\"push__container  qcd\" data-target=\"_self\" data-qcd=\"aHR0cHM6Ly9zaGVycGFzLmNvbS9mdW5uZWwtc3R1ZGVudC1xdWFsaWZpY2F0aW9u\" data-banner=\"2\" data-name=\"Cours part\u2019 global #1 = CPG1\" style=\"background-color: #F3FBF7\" >\n                                                                        <div class=\"push__teachers\">\n    <div class=\"d-flex justify-content-center d-md-none\">\n        <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\" alt=\"Logo Sherpas\">\n    <\/div>\n    <div class=\"swiper\">\n        <div class=\"swiper-wrapper\">\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Louise2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Louise<\/p>                          <p class=\"push__teachers-school\">Mines ParisTech<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">24\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Cle\u0301mence2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Cl\u00e9mence<\/p>                          <p class=\"push__teachers-school\">HEC Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">21\u20ac\/h\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Noemie2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">No\u00e9mie<\/p>                          <p class=\"push__teachers-school\">M2 en droit \u00e0 Assas<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">19\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Alma2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Alma<\/p>                          <p class=\"push__teachers-school\">ENS Paris-Saclay<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">24\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Simon2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Simon<\/p>                          <p class=\"push__teachers-school\">4e ann\u00e9e de m\u00e9decine<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">26\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Martin2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Martin<\/p>                          <p class=\"push__teachers-school\">HEC Paris<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">23\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Victor2x.jpg);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Victor<\/p>                          <p class=\"push__teachers-school\">ESCP<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">25\u20ac\/h<\/p>                     <\/div>\n                <\/div>\n                                            <div class=\"swiper-slide\">\n                    <div class=\"push__teachers-card\">\n                        <div\n                            class=\"push__teachers-profil\"\n                            \n                            style=\"background-image: url(https:\/\/sherpas.com\/content\/uploads\/2022\/01\/Margot2x.png);\"\n                        >\n                    <\/div>\n                         <p class=\"push__teachers-name\">Margot<\/p>                          <p class=\"push__teachers-school\">Arts et M\u00e9tiers ParisTech<\/p>                                                     <div class=\"push__teachers-note\">\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                                    <svg  class=\"active\" >\n                                        <use\n                                            xlink:href=\"\/content\/themes\/sherpas-theme\/dist\/images\/sprite.svg#star\"\/>\n                                    <\/svg>\n                                                            <\/div>\n                                                 <p class=\"push__teachers-price\">22\u20ac\/h\/h<\/p>                     <\/div>\n                <\/div>\n                    <\/div>\n    <\/div>\n<\/div>\n                                                    <div class=\"push__content\">\n                                                            <div  class=\"d-none d-md-block\" >\n                                    <img decoding=\"async\" class=\"push__logo\" src=\"\/content\/themes\/sherpas-theme\/dist\/images\/logo.svg\"\n                                        alt=\"Logo Sherpas\">\n                                <\/div>\n                                                                                        <div class=\"push__title\"><p>Ton premier cours particulier est offert ! <span role=\"img\" aria-label=\"\ud83c\udf81\">\ud83c\udf81<\/span><!-- notionvc: 91b6b7d7-50f2-46f4-ae1f-ecbabe834aad --><\/p>\n<\/div>\n                                                                                        <div class=\"push__text\"><p>Nos profs sont pass\u00e9s par les meilleures \u00e9coles et universit\u00e9s.<!-- notionvc: 21bb66b6-b36d-4ce8-8950-173722d75a1e --><\/p>\n<p>&nbsp;<\/p>\n<\/div>\n                                                        <div class=\"push__promo-button   \">\n                                                                                                    <div\n                                        class=\"btn btn-primary\"\n                                        style=\"color: #ffffff; border-color: ; background-color: \"\n\n                                    >\n                                        J&rsquo;EN PROFITE MAINTENANT !\n                                    <\/div>\n                                                            <\/div>\n                                                    <\/div>\n                                    <\/div>\n                                    <\/div>\n    <\/section>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"comment-les-lire\">Comment les lire ?<\/h3>\n\n\n\n<p>Apr\u00e8s ce long contexte historique, tu aimerais savoir comment lire ces chiffres. Pas de panique ! On va te l\u2019expliquer \ud83d\ude01<\/p>\n\n\n\n<p><br>Voici quelques r\u00e8gles :<\/p>\n\n\n\n<p>\ud83d\udc49 Si l\u2019on met deux chiffres semblables c\u00f4te \u00e0 c\u00f4te, <strong>on les additionne<\/strong>.<\/p>\n\n\n\n<p>Exemple : le chiffre II-&gt; I + I -&gt; 1 + 1 = 2&nbsp;<\/p>\n\n\n\n<p>\ud83d\udc49 Si l\u2019on met un petit chiffre apr\u00e8s un grand, <strong>on les additionne aussi<\/strong>.<\/p>\n\n\n\n<p>Exemple : XI-&gt; X + I-&gt; 10 +1 = 11<\/p>\n\n\n\n<p>\ud83d\udc49 Si l\u2019on met un petit chiffre avant un grand, <strong>on les soustrait<\/strong>.<\/p>\n\n\n\n<p>Exemple : IV-&gt; 1-5 (autrement dit 5-1 car ils n\u2019ont pas les nombres n\u00e9gatifs) = 4<\/p>\n\n\n\n<p>\ud83d\udc49 Deux traits verticaux \u00e0 gauche et \u00e0 droite d\u2019un nombre indiquent <strong>un facteur multiplicatif par 100<\/strong>. <\/p>\n\n\n\n<p>Exemple : |V|-&gt; V x 100-&gt; 5 x 100 = 500<\/p>\n\n\n\n<p>\ud83d\udc49 Un trait vertical plac\u00e9 sur le haut indique <strong>un facteur multiplicatif par 1000<\/strong>.&nbsp;<\/p>\n\n\n\n<p>Exemple : v\u0304 = V x1000 = 5 000<\/p>\n\n\n\n<p>Tu peux donc \u00e9crire beaucoup de nombres !<\/p>\n\n\n\n<p>Ne t\u2019inqui\u00e8te pas, \u00e7a a l\u2019air difficile comme \u00e7a mais tr\u00e8s vite, \u00e7a devient super logique !<\/p>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video autoplay loop muted playsinline poster=\"https:\/\/sherpas.com\/content\/uploads\/2026\/11\/chiffres-romains-histoire-utilisation-gif-3-poster.webp\" src=\"https:\/\/sherpas.com\/content\/uploads\/2026\/11\/chiffres-romains-histoire-utilisation-gif-3.mp4\" width=\"346\" height=\"384\" style=\"aspect-ratio: 346 \/ 384;max-width:100%;width:347px;height:auto\" aria-label=\"T'inqui\u00e8te, nous aussi on est paum\u00e9s\"><\/video><figcaption class=\"wp-element-caption\"><em>MDCCXCIII, \u00e7a correspond \u00e0 quel chiffre ?<\/em><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"comment-les-ecrire\">Comment les \u00e9crire<\/h2>\n\n\n\n<p>Maintenant que tu sais les lire, tu vas s\u00fbrement vouloir les \u00e9crire !<\/p>\n\n\n\n<p>Pour cela, tu suis les m\u00eames r\u00e8gles que pour les lire et le m\u00eame ensemble de symboles. Tu ajoutes \u00e9galement quelques nouvelles r\u00e8gles :&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>On n\u2019\u00e9crit<strong> jamais plus de trois signes semblables<\/strong> juxtapos\u00e9s.<\/li>\n<\/ul>\n\n\n\n<p>Exemple : IV et non IIII = 4<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Quand on retranche un nombre d\u2019un nombre plus fort, <strong>on ne peut pas sauter une puissance de 10<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Exemple : 999 ne peut pas s\u2019\u00e9crire IM mais 900 + 90 + 9 = CMXCIX<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Tout chiffre \u00e9crit entre deux chiffres sup\u00e9rieurs <strong>est soustrait \u00e0 celui de droite<\/strong> (\u00e7a suit les r\u00e8gles d\u00e9j\u00e0 donn\u00e9es avant) : Exemples: XIX. 1 est situ\u00e9 entre deux 10. Donc, 10+(10\u20131)=10+9=19<\/li>\n<\/ul>\n\n\n\n<p>Attention, il y a une limite aux chiffres romains. Tu ne pourras pas aller au-del\u00e0 de 999 999.&nbsp;<\/p>\n\n\n\n<p>Tu sais d\u00e9sormais tout sur l\u2019histoire et l\u2019utilisation de la num\u00e9rotation romaine ! Si ce sujet t\u2019int\u00e9resse, tu peux d\u00e9couvrir le <a href=\"https:\/\/sherpas.com\/blog\/nombre-relatif\/\" data-type=\"post\" data-id=\"254000\">nombre relatif <\/a>en lisant notre fiche !<\/p>\n\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-center kksr-valign-bottom\"\n    data-payload='{&quot;align&quot;:&quot;center&quot;,&quot;id&quot;:&quot;256805&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;bottom&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;19&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;4.7&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;5&quot;,&quot;greet&quot;:&quot;Tu as aim\u00e9 cet article ?&quot;,&quot;legend&quot;:&quot;4.7\\\/5 - (19 votes)&quot;,&quot;size&quot;:&quot;24&quot;,&quot;title&quot;:&quot;Chiffres romains : histoire et utilisation \ud83d\udd22&quot;,&quot;width&quot;:&quot;133.8&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 133.8px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 5px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 24px; height: 24px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 19.2px;\">\n            4.7\/5 - (19 votes)    <\/div>\n    <\/div>\n","protected":false},"excerpt":{"rendered":"<p>Ils sont pr\u00e9sents dans tes cours d\u2019histoire, sur ta montre, l\u2019horloge de ta grand-m\u00e8re ou le livre que (&#8230;)<\/p>\n","protected":false},"author":326,"featured_media":257079,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"footnotes":""},"category":[803,807],"tag":[763,768],"class_list":["post-256805","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apprendre-matiere","category-culture-generale-2","tag-antiquite","tag-ecriture"],"acf":[],"_links":{"self":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts\/256805","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/users\/326"}],"replies":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/comments?post=256805"}],"version-history":[{"count":0,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/posts\/256805\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/media\/257079"}],"wp:attachment":[{"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/media?parent=256805"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/category?post=256805"},{"taxonomy":"tag","embeddable":true,"href":"https:\/\/sherpas.com\/blog\/wp-json\/wp\/v2\/tag?post=256805"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}