{"id":1819,"date":"2016-09-15T03:29:29","date_gmt":"2016-09-15T02:29:29","guid":{"rendered":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/?p=1819"},"modified":"2018-02-17T02:05:53","modified_gmt":"2018-02-17T01:05:53","slug":"cube-et-distance","status":"publish","type":"post","link":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/cube-et-distance\/","title":{"rendered":"Cube et distance"},"content":{"rendered":"<h1 class=\"IntroNormal\"><span class=\"IntroFond\">Probl\u00e8me<\/span><\/h1>\n<p class=\"IntroP1\">ABCDEFGH est un cube d\u2019ar\u00eate 10 cm.<br \/>\nCombien existe-t-il de points sur les ar\u00eates du cube \u00e0 15 cm de A ?<\/p>\n<h1 class=\"IntroNormal\"><span class=\"IntroFond\">Commentaires<\/span><\/h1>\n<p class=\"IntroP1\">Propos\u00e9 en narration de recherche en 3<sup>e<\/sup>.<\/p>\n<p class=\"IntroP1\">Certains \u00e9l\u00e8ves ont essay\u00e9 d\u2019utiliser le compas : soit sur le cube en perspective (en ayant plus ou moins conscience de la perspective), soit sur le patron.<\/p>\n<p class=\"IntroP1\">Certains ont m\u00eame envisag\u00e9 plusieurs cas selon la position du point A\u2026<\/p>\n<p class=\"IntroP1\">D\u2019autres ont eu recours au th\u00e9or\u00e8me de Pythagore, mais se sont souvent arr\u00eat\u00e9s au calcul de la diagonale d\u2019une face et ont conclu que ce n\u2019\u00e9tait pas possible.<\/p>\n<h1 class=\"IntroNormal\"><span class=\"IntroFond\">Fichiers disponibles<\/span> :<\/h1>\n<ul class=\"niv1\">\n<li><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-content\/uploads\/sites\/3\/2016\/09\/cube_dist_elv.pdf\">Fiche \u00e9l\u00e8ve Cube et distance<\/a> (<span class=\"PetitInLine\">pdf<\/span>)<\/li>\n<li><a href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-content\/uploads\/sites\/3\/2016\/09\/cube_dist.zip\">Fichiers Geospace Cube et distance<\/a> <span class=\"PetitInLine\">(zip)<\/span><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Probl\u00e8me ABCDEFGH est un cube d\u2019ar\u00eate 10 cm. Combien existe-t-il de points sur les ar\u00eates du cube \u00e0 15 cm de A ? Commentaires Propos\u00e9 en narration de recherche en 3e. Certains \u00e9l\u00e8ves ont essay\u00e9 d\u2019utiliser le compas : soit sur le cube en perspective (en ayant plus ou moins conscience de la perspective), soit &hellip; <\/p>\n<p><a class=\"more-link btn\" href=\"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/cube-et-distance\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":351,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"categories":[23,22,14],"tags":[],"class_list":["post-1819","post","type-post","status-publish","format-standard","hentry","category-seconde","category-lycee","category-numerique","nodate","item-wrap"],"_links":{"self":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/posts\/1819","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/users\/351"}],"replies":[{"embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/comments?post=1819"}],"version-history":[{"count":4,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/posts\/1819\/revisions"}],"predecessor-version":[{"id":1864,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/posts\/1819\/revisions\/1864"}],"wp:attachment":[{"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/media?parent=1819"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/categories?post=1819"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ent2d.ac-bordeaux.fr\/disciplines\/mathematiques\/wp-json\/wp\/v2\/tags?post=1819"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}