{"id":5536,"date":"2022-03-02T22:10:27","date_gmt":"2022-03-02T21:10:27","guid":{"rendered":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/?p=5536"},"modified":"2022-03-02T22:17:48","modified_gmt":"2022-03-02T21:17:48","slug":"une-enigme-par-jour-pour-preparer-le-rallye","status":"publish","type":"post","link":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/2022\/03\/02\/une-enigme-par-jour-pour-preparer-le-rallye\/","title":{"rendered":"Une \u00e9nigme par jour pour pr\u00e9parer le Rallye"},"content":{"rendered":"<p><a href=\"https:\/\/www.math.u-bordeaux.fr\/IREM\/rallye\/\"><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-5549 alignright\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-2022-affiche.png\" alt=\"\" width=\"193\" height=\"274\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-2022-affiche.png 424w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-2022-affiche-212x300.png 212w\" sizes=\"auto, (max-width: 193px) 100vw, 193px\" \/><\/a>Le <strong><a href=\"https:\/\/www.math.u-bordeaux.fr\/IREM\/rallye\/\">Rallye Math\u00e9matique d\u2019Aquitaine<\/a><\/strong> est un concours de math\u00e9matiques \u00e0 destination des classes de 3<sup>e<\/sup> et de 2<sup>de<\/sup>, dont les \u00e9l\u00e8ves sont invit\u00e9s \u00e0 r\u00e9soudre en groupes des \u00e9nigmes. Cette ann\u00e9e, 282 classes issues de 112 \u00e9tablissements de l&#8217;acad\u00e9mie participeront \u00e0 l&#8217;\u00e9preuve qui se d\u00e9roulera le lundi 14 mars.<\/p>\n<p>Pour se pr\u00e9parer au Rallye, nous diffuserons sur nos comptes <a href=\"https:\/\/twitter.com\/semainemathsbdx\">Twitter<\/a> et <a href=\"https:\/\/www.facebook.com\/SemaineDesMathsAcBordeaux\/\">Facebook<\/a> <strong>une \u00e9nigme par jour pendant toute la semaine des maths, ces \u00e9nigmes sur le th\u00e8me Maths en forme(s) sont tir\u00e9es des \u00e9ditions pr\u00e9c\u00e9dentes du Rallye<\/strong>. Nous les diffusions cependant ci-dessous pour faciliter l&#8217;utilisation par les enseignants avec leurs \u00e9l\u00e8ves.<\/p>\n<div align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5550 alignleft\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-1.png\" alt=\"\" width=\"308\" height=\"317\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-1.png 408w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-1-291x300.png 291w\" sizes=\"auto, (max-width: 308px) 100vw, 308px\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5551 alignleft\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-1bis.png\" alt=\"\" width=\"328\" height=\"281\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-1bis.png 380w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-1bis-300x257.png 300w\" sizes=\"auto, (max-width: 328px) 100vw, 328px\" \/><\/div>\n<div align=\"center\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-2.png\" alt=\"\" width=\"347\" height=\"252\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5539\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-2bis.png\" alt=\"\" width=\"324\" height=\"273\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-2bis.png 482w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-2bis-300x253.png 300w\" sizes=\"auto, (max-width: 324px) 100vw, 324px\" \/><\/div>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-large wp-image-5540 aligncenter\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-3.png\" alt=\"\" width=\"716\" height=\"318\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-3.png 716w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-3-300x133.png 300w\" sizes=\"auto, (max-width: 716px) 100vw, 716px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5541\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-3bis.png\" alt=\"\" width=\"264\" height=\"281\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-3bis.png 307w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-3bis-282x300.png 282w\" sizes=\"auto, (max-width: 264px) 100vw, 264px\" \/>\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5543\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-5bis.png\" alt=\"\" width=\"401\" height=\"389\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-5bis.png 459w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-5bis-300x291.png 300w\" sizes=\"auto, (max-width: 401px) 100vw, 401px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5542 aligncenter\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-5.png\" alt=\"\" width=\"691\" height=\"223\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-5.png 744w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-5-300x97.png 300w\" sizes=\"auto, (max-width: 691px) 100vw, 691px\" \/>\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5544 aligncenter\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-7.png\" alt=\"\" width=\"427\" height=\"337\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-7.png 454w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-7-300x237.png 300w\" sizes=\"auto, (max-width: 427px) 100vw, 427px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"wp-image-5545 aligncenter\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-7bis.png\" alt=\"\" width=\"659\" height=\"383\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-7bis.png 756w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-7bis-300x174.png 300w\" sizes=\"auto, (max-width: 659px) 100vw, 659px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-5546\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-8.png\" alt=\"\" width=\"711\" height=\"294\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-8.png 755w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-8-300x124.png 300w\" sizes=\"auto, (max-width: 711px) 100vw, 711px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-5547\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-11.png\" alt=\"\" width=\"358\" height=\"388\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-11.png 358w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-11-277x300.png 277w\" sizes=\"auto, (max-width: 358px) 100vw, 358px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-5548\" src=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-12.png\" alt=\"\" width=\"334\" height=\"385\" srcset=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-12.png 334w, https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-content\/uploads\/sites\/17\/2022\/03\/Rallye-maths-en-formes-enigme-12-260x300.png 260w\" sizes=\"auto, (max-width: 334px) 100vw, 334px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le Rallye Math\u00e9matique d\u2019Aquitaine est un concours de math\u00e9matiques \u00e0 destination des classes de 3e et de 2de, dont les \u00e9l\u00e8ves sont invit\u00e9s \u00e0 r\u00e9soudre en groupes des \u00e9nigmes. Cette ann\u00e9e, 282 classes issues de 112 \u00e9tablissements de l&#8217;acad\u00e9mie participeront \u00e0 l&#8217;\u00e9preuve qui se d\u00e9roulera le lundi 14 mars. Pour se pr\u00e9parer au Rallye, nous &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/2022\/03\/02\/une-enigme-par-jour-pour-preparer-le-rallye\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":5,"featured_media":5549,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,63,4,9,64],"tags":[],"class_list":["post-5536","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-a-la-une","category-annee-2022","category-concours","category-enigmes","category-maths-en-formes","nodate","item-wrap"],"_links":{"self":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/5536","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/comments?post=5536"}],"version-history":[{"count":8,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/5536\/revisions"}],"predecessor-version":[{"id":5558,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/posts\/5536\/revisions\/5558"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/media\/5549"}],"wp:attachment":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/media?parent=5536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/categories?post=5536"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/semaine-des-maths\/wp-json\/wp\/v2\/tags?post=5536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}