{"id":3190,"date":"2025-12-29T15:07:51","date_gmt":"2025-12-29T14:07:51","guid":{"rendered":"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/?p=3190"},"modified":"2026-03-13T17:45:48","modified_gmt":"2026-03-13T16:45:48","slug":"semaine-des-mathematiques-2026","status":"publish","type":"post","link":"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/semaine-des-mathematiques-2026\/","title":{"rendered":"Semaine des math\u00e9matiques 2026 :  \u00ab \u00c9galit\u00e9s \u00bb"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"inclusion inclusion2\">Pour consulter les actions r\u00e9f\u00e9renc\u00e9es pr\u00e8s de chez vous, choisissez votre bassin :<br><style>\n       .errordiv { padding:10px; margin:10px; border: 1px solid #555555;color: #000000;background-color: #f8f8f8; width:500px; }#advanced_iframe {visibility:visible;opacity:1;vertical-align:top;}.ai-info-bottom-iframe { position: fixed; z-index: 10000; bottom:0; left: 0; margin: 0px; text-align: center; width: 100%; background-color: #ff9999; padding-left: 5px;padding-bottom: 5px; border-top: 1px solid #aaa } a.ai-bold {font-weight: bold;}#ai-layer-div-advanced_iframe p {height:100%;margin:0;padding:0}<\/style><script type=\"text\/javascript\">var ai_iframe_width_advanced_iframe = 0;var ai_iframe_height_advanced_iframe = 0;var aiOnloadScrollTop=\"true\";var aiShowDebug=false;\n\t\tif (typeof aiReadyCallbacks === 'undefined') {\n\t\t\tvar aiReadyCallbacks = [];\n\t\t} else if (!(aiReadyCallbacks instanceof Array)) {\n\t\t\tvar aiReadyCallbacks = [];\n\t\t}    function aiShowIframeId(id_iframe) { jQuery(\"#\"+id_iframe).css(\"visibility\", \"visible\");    }    function aiResizeIframeHeight(height) { aiResizeIframeHeight(height,advanced_iframe); }    function aiResizeIframeHeightId(height,width,id) {aiResizeIframeHeightById(id,height);}<\/script><iframe id=\"advanced_iframe\"  name=\"advanced_iframe\"  src=\"https:\/\/mathematiques-medias.discipline.ac-lille.fr\/sdmaths2026\/carte_bassins_sdm\/index.html?v=0802\"  width=\"100%\"  height=\"400\"  frameborder=\"0\"  border=\"0\"  allowtransparency=\"true\"  loading=\"lazy\"  style=\";border-width: 0px;;border: none;;width:100%;;height:400px;\"  allowfullscreen ><\/iframe><script type=\"text\/javascript\">var ifrm_advanced_iframe = document.getElementById(\"advanced_iframe\");var hiddenTabsDoneadvanced_iframe = false;\nfunction resizeCallbackadvanced_iframe() {}<\/script><script type=\"text\/javascript\"><\/script><p style=\"display:block !important; visibility:visible !important;margin: -18px 14px 0 0;padding-left: 3px;padding-top:3px;background: white; overflow: hidden; position: relative; line-height:15px;width: fit-content;\"><small style=\"display:block !important;visibility:visible !important\">powered by Advanced iFrame<\/small><\/p>\n\n\n\n<p class=\"inclusion inclusion2\">Pour consulter les actions r\u00e9f\u00e9renc\u00e9es dans l&rsquo;acad\u00e9mie de Lille, cliquez sur la carte :<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"http:\/\/mathematiques-medias.discipline.ac-lille.fr\/sdmaths2026\/streetmap.html\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"675\" src=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2023\/01\/i1-1-1024x675.jpg\" alt=\"\" class=\"wp-image-1430\" style=\"width:430px;height:auto\" srcset=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2023\/01\/i1-1-1024x675.jpg 1024w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2023\/01\/i1-1-300x198.jpg 300w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2023\/01\/i1-1-768x506.jpg 768w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2023\/01\/i1-1.jpg 1161w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\"><style>\n       .errordiv { padding:10px; margin:10px; border: 1px solid #555555;color: #000000;background-color: #f8f8f8; width:500px; }#advanced_iframe_2 {visibility:visible;opacity:1;vertical-align:top;}.ai-info-bottom-iframe { position: fixed; z-index: 10000; bottom:0; left: 0; margin: 0px; text-align: center; width: 100%; background-color: #ff9999; padding-left: 5px;padding-bottom: 5px; border-top: 1px solid #aaa } a.ai-bold {font-weight: bold;}#ai-layer-div-advanced_iframe_2 p {height:100%;margin:0;padding:0}<\/style><script type=\"text\/javascript\">var ai_iframe_width_advanced_iframe_2 = 0;var ai_iframe_height_advanced_iframe_2 = 0;var aiOnloadScrollTop=\"true\";var aiShowDebug=false;\n\t\tif (typeof aiReadyCallbacks === 'undefined') {\n\t\t\tvar aiReadyCallbacks = [];\n\t\t} else if (!(aiReadyCallbacks instanceof Array)) {\n\t\t\tvar aiReadyCallbacks = [];\n\t\t}    function aiShowIframeId(id_iframe) { jQuery(\"#\"+id_iframe).css(\"visibility\", \"visible\");    }    function aiResizeIframeHeight(height) { aiResizeIframeHeight(height,advanced_iframe_2); }    function aiResizeIframeHeightId(height,width,id) {aiResizeIframeHeightById(id,height);}<\/script><iframe id=\"advanced_iframe_2\"  name=\"advanced_iframe_2\"  src=\"https:\/\/podeduc.apps.education.fr\/video\/134059-semaine-des-maths-2026mp4\/?is_iframe=true\"  width=\"100%\"  height=\"360\"  frameborder=\"0\"  border=\"0\"  allowtransparency=\"true\"  loading=\"lazy\"  style=\";border-width: 0px;;border: none;;width:100%;;height:360px;\"  allowfullscreen ><\/iframe><script type=\"text\/javascript\">var ifrm_advanced_iframe_2 = document.getElementById(\"advanced_iframe_2\");var hiddenTabsDoneadvanced_iframe_2 = false;\nfunction resizeCallbackadvanced_iframe_2() {}<\/script><script type=\"text\/javascript\"><\/script><p style=\"display:block !important; visibility:visible !important;margin: -18px 14px 0 0;padding-left: 3px;padding-top:3px;background: white; overflow: hidden; position: relative; line-height:15px;width: fit-content;\"><small style=\"display:block !important;visibility:visible !important\">powered by Advanced iFrame<\/small><\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"724\" src=\"http:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2023\/12\/i1.jpg\" alt=\"\" class=\"wp-image-3097\" srcset=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2023\/12\/i1.jpg 1024w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2023\/12\/i1-300x212.jpg 300w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2023\/12\/i1-768x543.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p><strong>Documents \u00e0 consulter : <\/strong><br><\/p>\n\n\n\n<div\n    class='wp-block-pdfp-pdf-poster  alignnone'\n    id='block-1'\n    data-attributes='{&quot;file&quot;:&quot;http:\\\/\\\/pedagogie.ac-lille.fr\\\/mathematiques\\\/wp-content\\\/uploads\\\/sites\\\/51\\\/2026\\\/03\\\/SDM2026.Guide-academique-de-la-semaine-des-mathematiques-V1-1.pdf&quot;,&quot;height&quot;:{&quot;desktop&quot;:&quot;1440px&quot;,&quot;tablet&quot;:&quot;700px&quot;,&quot;mobile&quot;:&quot;400px&quot;},&quot;downloadButton&quot;:true,&quot;fullscreenButtonText&quot;:&quot;Plein 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PDF&quot;,&quot;btnStyle&quot;:{&quot;background&quot;:&quot;#2271b1&quot;,&quot;color&quot;:&quot;#fff&quot;,&quot;fontSize&quot;:&quot;16px&quot;,&quot;padding&quot;:{&quot;top&quot;:10,&quot;right&quot;:20,&quot;bottom&quot;:10,&quot;left&quot;:10}}},&quot;popupBtnStyle&quot;:{&quot;background&quot;:&quot;#2271b1&quot;,&quot;color&quot;:&quot;#fff&quot;,&quot;padding&quot;:{&quot;top&quot;:10,&quot;right&quot;:20,&quot;bottom&quot;:10,&quot;left&quot;:10}},&quot;popupBtnText&quot;:&quot;Open Document&quot;,&quot;CSS&quot;:&quot;&quot;,&quot;socialShare&quot;:{&quot;enabled&quot;:false,&quot;facebook&quot;:true,&quot;twitter&quot;:true,&quot;linkedin&quot;:true,&quot;pinterest&quot;:true,&quot;position&quot;:&quot;top&quot;},&quot;isPremium&quot;:false}'\n    style=\"text-align: left\">\n    \n        <iframe loading=\"lazy\" title=\"\" style=\"border:0;\" width=\"100%\" height=\"800px\" class=\"pdfp_unsupported_frame\" src=\"\/\/docs.google.com\/gview?embedded=true&url=http:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2026\/03\/SDM2026.Guide-academique-de-la-semaine-des-mathematiques-V1-1.pdf\"><\/iframe>\n\n    <\/div>\n\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Les affiches gagnantes de la semaine des math\u00e9matiques 2026<\/strong><\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d1063d4e638&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d1063d4e638\" class=\"wp-block-image size-full wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"830\" height=\"958\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/i1.jpg\" alt=\"\" class=\"wp-image-3400\" srcset=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/i1.jpg 830w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/i1-260x300.jpg 260w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/i1-768x886.jpg 768w\" sizes=\"auto, (max-width: 830px) 100vw, 830px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Agrandir\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d1063d4eb89&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d1063d4eb89\" class=\"wp-block-image size-large is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/college-Guilleminot-Dunkerque-768x1024.jpg\" alt=\"\" class=\"wp-image-3399\" style=\"width:438px;height:auto\" srcset=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/college-Guilleminot-Dunkerque-768x1024.jpg 768w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/college-Guilleminot-Dunkerque-225x300.jpg 225w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/college-Guilleminot-Dunkerque.jpg 800w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Agrandir\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p><strong>Les photos gagnantes de la semaine des math\u00e9matiques 2026<\/strong><\/p>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d1063d4f144&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d1063d4f144\" class=\"wp-block-image size-large is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"731\" height=\"1024\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/LYPSO-Saint-Omer-731x1024.jpg\" alt=\"\" class=\"wp-image-3402\" style=\"aspect-ratio:0.7138680785921189;width:407px;height:auto\" srcset=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/LYPSO-Saint-Omer-731x1024.jpg 731w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/LYPSO-Saint-Omer-214x300.jpg 214w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/LYPSO-Saint-Omer-768x1075.jpg 768w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/LYPSO-Saint-Omer.jpg 800w\" sizes=\"auto, (max-width: 731px) 100vw, 731px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Agrandir\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69d1063d4f5a1&quot;}\" data-wp-interactive=\"core\/image\" data-wp-key=\"69d1063d4f5a1\" class=\"wp-block-image size-full is-resized wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"1013\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on--click=\"actions.showLightbox\" data-wp-on--load=\"callbacks.setButtonStyles\" data-wp-on-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/lycee-Charlotte-Perriand-genech.jpeg\" alt=\"\" class=\"wp-image-3401\" style=\"aspect-ratio:0.7897401607842822;width:407px;height:auto\" srcset=\"https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/lycee-Charlotte-Perriand-genech.jpeg 800w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/lycee-Charlotte-Perriand-genech-237x300.jpeg 237w, https:\/\/pedagogie.ac-lille.fr\/mathematiques\/wp-content\/uploads\/sites\/51\/2025\/12\/lycee-Charlotte-Perriand-genech-768x972.jpeg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Agrandir\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 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