{"id":1369,"date":"2021-02-11T15:33:35","date_gmt":"2021-02-11T20:33:35","guid":{"rendered":"https:\/\/se.csbe.qc.ca\/mathprimaire\/?p=1369"},"modified":"2021-03-02T16:11:33","modified_gmt":"2021-03-02T21:11:33","slug":"maths-en-3-temps","status":"publish","type":"post","link":"https:\/\/se.csbe.qc.ca\/mathprimaire\/2021\/02\/11\/maths-en-3-temps\/","title":{"rendered":"Maths en 3 temps"},"content":{"rendered":"<div class=\"page-restrict-output\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1370 alignleft\" src=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/joli-fleur-300x300.jpg\" alt=\"\" width=\"140\" height=\"139\" srcset=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/joli-fleur-300x300.jpg 300w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/joli-fleur-1024x1024.jpg 1024w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/joli-fleur-150x150.jpg 150w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/joli-fleur-768x768.jpg 768w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/joli-fleur-750x750.jpg 750w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/joli-fleur.jpg 1280w\" sizes=\"auto, (max-width: 140px) 100vw, 140px\" \/>Les \u00ab\u00a0<b>Maths en 3 temps<\/b> \u00bb sont des activit\u00e9s p\u00e9dagogiques pr\u00e9sent\u00e9es en courtes s\u00e9quences vid\u00e9os.\u00a0 D&rsquo;une dur\u00e9e \u00a0d&rsquo;une trentaine de secondes, elles pr\u00e9sentent des situations de la vie courante inspirant des id\u00e9es math\u00e9matiques.\u00a0\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p><!--more--><\/p>\n<ul>\n<li>\n<table style=\"width: 100%\">\n<tbody>\n<tr>\n<td style=\"width: 44.2254%\">\n<p><strong>Temps 1:<\/strong>\u00a0Pr\u00e9sentation d\u2019une photo ou d\u2019une capsule vid\u00e9o aux \u00e9l\u00e8ves qui sont invit\u00e9s \u00e0 l\u2019observer pour en d\u00e9gager une question. Estimation ou hypoth\u00e8se peuvent \u00eatre propos\u00e9es par les \u00e9l\u00e8ves.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1355 aligncenter\" src=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/z-300x76.jpg\" alt=\"\" width=\"300\" height=\"76\" srcset=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/z-300x76.jpg 300w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/z.jpg 593w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1357 aligncenter\" src=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/dix-PLANTES-300x144.jpg\" alt=\"\" width=\"200\" height=\"96\" srcset=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/dix-PLANTES-300x144.jpg 300w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/dix-PLANTES-1024x491.jpg 1024w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/dix-PLANTES-768x368.jpg 768w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/dix-PLANTES-1536x736.jpg 1536w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/dix-PLANTES-750x359.jpg 750w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/dix-PLANTES.jpg 1931w\" sizes=\"auto, (max-width: 200px) 100vw, 200px\" \/><\/p>\n<\/td>\n<td style=\"width: 55.6338%\">\n<p>Quelques exemples propos\u00e9s par les \u00e9l\u00e8ves:<\/p>\n<ul>\n<li>Il y a 10 plants. Il est plus probable qu\u2019ils germent.<\/li>\n<li>2 plants sur 10 n\u2019ont pas germ\u00e9 ou 20%.<\/li>\n<li>8 germ\u00e9s et 2 non germ\u00e9s donc 6 de plus ont germ\u00e9 .<\/li>\n<li>S\u2019il y avait 10 plateaux, combien pourrait-on estimer la quantit\u00e9 de plants non germ\u00e9s?<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.2254%\">\n<ul>\n<li><strong>Temps 2<\/strong>:\u00a0 Identification de donn\u00e9es n\u00e9cessaires \u00e0 la r\u00e9solution du probl\u00e8me propos\u00e9 par les \u00e9l\u00e8ves (valeurs, mesures, grandeurs, donn\u00e9es manquantes, etc.)<\/li>\n<\/ul>\n<\/td>\n<td style=\"width: 55.6338%\">\n<ul>\n<li>2 n\u2019ont\u00a0 pas germ\u00e9s par plateau.<\/li>\n<li>Je vais utiliser des bo\u00eetes de 10 et des petits cubes.\u00a0<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 44.2254%\">\n<ul>\n<li><strong>Temps 3<\/strong>: Communication des diff\u00e9rentes id\u00e9es math\u00e9matiques.<img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1356 aligncenter\" src=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/az.png\" alt=\"\" width=\"160\" height=\"126\" \/><\/li>\n<\/ul>\n<\/td>\n<td style=\"width: 55.6338%\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-1382 aligncenter\" src=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/3temps-225x300.jpg\" alt=\"\" width=\"144\" height=\"192\" srcset=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/3temps-225x300.jpg 225w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/3temps.jpg 480w\" sizes=\"auto, (max-width: 144px) 100vw, 144px\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-1393 alignleft\" src=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/eleve_neige-289x300.jpg\" alt=\"\" width=\"149\" height=\"155\" srcset=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/eleve_neige-289x300.jpg 289w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/eleve_neige.jpg 624w\" sizes=\"auto, (max-width: 149px) 100vw, 149px\" \/>En regardant leur\u00a0environnement, les \u00e9l\u00e8ves peuvent enrichir des banques de classe pour partager \u00e0 leur tour les bonnes id\u00e9es math\u00e9matiques.\u00a0\u00a0<\/p>\n<p>Ci-contre, une photographie prise par un \u00e9l\u00e8ve qui veut d\u00e9montrer le p\u00e9rim\u00e8tre d&rsquo;un trou creus\u00e9 dans la neige.\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>Plusieurs passionn\u00e9s rendent disponibles sur Internet des banques d&rsquo;images et de vid\u00e9os.\u00a0<\/p>\n<p><a href=\"https:\/\/csbe5.sharepoint.com\/:b:\/t\/se\/Ea79Er_AGmFHs9QkAV2p55cBatpCLQOxzkuDq2iUFOL1lg?e=bn3DCJ\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1275\" src=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2020\/03\/Document-289x300.png\" alt=\"\" width=\"69\" height=\"72\" srcset=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2020\/03\/Document-289x300.png 289w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2020\/03\/Document.png 578w\" sizes=\"auto, (max-width: 69px) 100vw, 69px\" \/>Ce document<\/a> pr\u00e9sente quelques ressources dont celles offertes par @Maths_dans_la_rue, Dan Mayer, Graham Fletcher, Estimation 180, M@ths en-vie, etc.\u00a0<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-1481\" src=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/3temps-1-300x130.jpg\" alt=\"\" width=\"81\" height=\"35\" srcset=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/3temps-1-300x130.jpg 300w, https:\/\/se.csbe.qc.ca\/mathprimaire\/files\/2021\/02\/3temps-1.jpg 559w\" sizes=\"auto, (max-width: 81px) 100vw, 81px\" \/>Pour en savoir plus (Envol 2018)\u00a0<a href=\"https:\/\/mathcsdgs.files.wordpress.com\/2018\/06\/article-3act.pdf\"> ICI<\/a>.\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<div class=\"page-restrict-output\"><p>Les \u00ab\u00a0Maths en 3 temps \u00bb sont des activit\u00e9s p\u00e9dagogiques pr\u00e9sent\u00e9es en courtes s\u00e9quences vid\u00e9os.\u00a0 D&rsquo;une dur\u00e9e \u00a0d&rsquo;une trentaine de secondes, elles pr\u00e9sentent des situations de la vie courante inspirant des id\u00e9es math\u00e9matiques.\u00a0\u00a0 \u00a0 \u00a0<\/p><p><a class=\"more-link btn\" href=\"https:\/\/se.csbe.qc.ca\/mathprimaire\/2021\/02\/11\/maths-en-3-temps\/\">Lire la suite<\/a><\/p>\n<\/div>","protected":false},"author":156,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1369","post","type-post","status-publish","format-standard","hentry","category-non-classe","item-wrap"],"_links":{"self":[{"href":"https:\/\/se.csbe.qc.ca\/mathprimaire\/wp-json\/wp\/v2\/posts\/1369","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/se.csbe.qc.ca\/mathprimaire\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/se.csbe.qc.ca\/mathprimaire\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/se.csbe.qc.ca\/mathprimaire\/wp-json\/wp\/v2\/users\/156"}],"replies":[{"embeddable":true,"href":"https:\/\/se.csbe.qc.ca\/mathprimaire\/wp-json\/wp\/v2\/comments?post=1369"}],"version-history":[{"count":7,"href":"https:\/\/se.csbe.qc.ca\/mathprimaire\/wp-json\/wp\/v2\/posts\/1369\/revisions"}],"predecessor-version":[{"id":1482,"href":"https:\/\/se.csbe.qc.ca\/mathprimaire\/wp-json\/wp\/v2\/posts\/1369\/revisions\/1482"}],"wp:attachment":[{"href":"https:\/\/se.csbe.qc.ca\/mathprimaire\/wp-json\/wp\/v2\/media?parent=1369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/se.csbe.qc.ca\/mathprimaire\/wp-json\/wp\/v2\/categories?post=1369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/se.csbe.qc.ca\/mathprimaire\/wp-json\/wp\/v2\/tags?post=1369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}