{"id":33,"date":"2022-08-24T09:45:13","date_gmt":"2022-08-24T07:45:13","guid":{"rendered":"http:\/\/unecureuildansmoncartable.fr\/?p=33"},"modified":"2023-01-19T12:34:44","modified_gmt":"2023-01-19T11:34:44","slug":"la-multiplication-des-nombres-entiers","status":"publish","type":"post","link":"http:\/\/unecureuildansmoncartable.fr\/index.php\/2022\/08\/24\/la-multiplication-des-nombres-entiers\/","title":{"rendered":"La multiplication des nombres entiers"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Petit regard sur la s\u00e9quence consacr\u00e9e \u00e0 la multiplication des entiers qui a \u00e9t\u00e9 test\u00e9e (et approuv\u00e9e ! lol) dans mes classes de CE2 comme de CM1 ou CM2.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/multiplications-plan-1-1024x478.jpg\" alt=\"\" class=\"wp-image-127\"\/><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Il va s&rsquo;en dire que cette s\u00e9quence ne dispense en rien de nombreuses s\u00e9ances de manipulation notamment sur le sens de la multiplication qui, ici, n&rsquo;est abord\u00e9 que par l&rsquo;interm\u00e9diaire de 2 fiches en autonomie (e1). Lorsque le sens de la multiplication est compris et que l&rsquo;\u00e9l\u00e8ve s&rsquo;est entrain\u00e9 en effectuant des parall\u00e8les entre additions r\u00e9it\u00e9r\u00e9es et multiplications (e2), il est temps d&rsquo;enlever le filet de secours et de lui proposer des multiplications seules&#8230; et sans retenue ! (e3) <\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e1-multiplication.jpg\"><img decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e1-multiplication-1024x686.jpg\" alt=\"\" class=\"wp-image-168\"\/><\/a><figcaption class=\"wp-element-caption\"><strong>e1 &#8211; multiplications<\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e2-multiplications.jpg\"><img decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e2-multiplications-1024x686.jpg\" alt=\"\" class=\"wp-image-169\"\/><\/a><figcaption class=\"wp-element-caption\"><strong>e2 &#8211; multiplications<\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e3-multiplication.jpg\"><img decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e3-multiplication-1024x687.jpg\" alt=\"\" class=\"wp-image-170\"\/><\/a><figcaption class=\"wp-element-caption\"><strong>e3 &#8211; multiplications<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Les s\u00e9ances suivantes sont des s\u00e9ances de recherche et de manipulation dont on peut garder des traces en les prenant en photo, par exemple. Il s&rsquo;agit de la mise en place de la retenue ! Une petite trace \u00e9crite pourrait \u00eatre la bienvenue. En voil\u00e0 une suivie d&rsquo;exercices de mise en application (e4) !<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/regle-multi-1-chiffre-1.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/regle-multi-1-chiffre-1.jpg\" alt=\"\" class=\"wp-image-155\" width=\"345\" height=\"424\"\/><\/a><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si besoin, une petite vid\u00e9o pour reprendre tout \u00e7a !<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\">\n<p class=\"wp-block-paragraph\"> <\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><a href=\"https:\/\/ladigitale.dev\/digiplay\/#\/v\/608ec20523667\">https:\/\/ladigitale.dev\/digiplay\/#\/v\/608ec20523667<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:50%\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/QRcode-multi-1-chiffre.jpg\" alt=\"\" class=\"wp-image-132\" width=\"166\" height=\"166\"\/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Et pour v\u00e9rifier si tout cela est en place, des exercices de r\u00e9investissement. (e4)<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e4-multiplication.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e4-multiplication-1024x686.jpg\" alt=\"\" class=\"wp-image-171\" width=\"446\" height=\"299\"\/><\/a><figcaption class=\"wp-element-caption\"><strong>e4 &#8211; multiplications<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\">Pour multiplier un nombre entier par un nombre \u00e0 plusieurs chiffres, il est important de comprendre la multiplication par 10, 100, 1000&#8230; Cette notion n\u00e9cessite une attention particuli\u00e8re si vous ne souhaitez pas que les \u00e9l\u00e8ves \u00ab\u00a0ajoutent 2 z\u00e9ros \u00e0 la fin du nombre quand on multiplie par 100\u00a0\u00bb. (pleurssssssss !!) <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour vous accompagner, des fiches de recherche (e5), un glisse-nombre, son tuto d&rsquo;utilisation et une mise en application grandeur nature.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e5-multiplication.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e5-multiplication-1024x688.jpg\" alt=\"\" class=\"wp-image-172\" width=\"449\" height=\"302\"\/><\/a><figcaption class=\"wp-element-caption\"><strong>e5 &#8211; multiplications<\/strong><\/figcaption><\/figure>\n<\/div>\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/tuto-glisse-nombre-1.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/tuto-glisse-nombre-1-724x1024.jpg\" alt=\"\" class=\"wp-image-148\" width=\"291\" height=\"411\"\/><\/a><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized is-style-default\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/glisse-nombre-en-vrai-1-1024x1024.jpg\" alt=\"\" class=\"wp-image-149\" width=\"357\" height=\"357\"\/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Pour la suite, des s\u00e9ances sur le sens des \u00e9tapes de la multiplication seront n\u00e9cessaires. Des traces \u00e9crites (\u00e0 donner en 2 ou 3 temps) et une petite vid\u00e9o pour \u00e9clairer tout \u00e7a.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/regle-multi-2-chiffres-part-1-1.jpg\"><img decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/regle-multi-2-chiffres-part-1-1.jpg\" alt=\"\" class=\"wp-image-144\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/regle-multi-2-chiffres-squelette-1-1.jpg\"><img decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/regle-multi-2-chiffres-squelette-1-1.jpg\" alt=\"\" class=\"wp-image-145\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/regle-multi-2-chiffres-squelette-2-1.jpg\"><img decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/regle-multi-2-chiffres-squelette-2-1.jpg\" alt=\"\" class=\"wp-image-146\"\/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"has-text-align-right wp-block-paragraph\"><a href=\"https:\/\/ladigitale.dev\/digiplay\/#\/v\/608eb3cd21c46\">https:\/\/ladigitale.dev\/digiplay\/#\/v\/608eb3cd21c46<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/QRcode-multi-2-chiffre.jpg\" alt=\"\" class=\"wp-image-156\" width=\"161\" height=\"162\"\/><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Il ne reste plus qu&rsquo;\u00e0 s&rsquo;entrainer \u00ab\u00a0au squelette\u00a0\u00bb (e6) puis \u00e0 la technique pure et dure sans (e7) et avec retenue (e8). \ud83d\ude42 <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e6-multiplication.jpg\"><img decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e6-multiplication-1024x687.jpg\" alt=\"\" class=\"wp-image-174\"\/><\/a><figcaption class=\"wp-element-caption\"><strong>e6 &#8211; multiplications<\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e7-multiplications.jpg\"><img decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e7-multiplications-1024x687.jpg\" alt=\"\" class=\"wp-image-175\"\/><\/a><figcaption class=\"wp-element-caption\"><strong>e7 &#8211; multiplications<\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e8-multiplication.jpg\"><img decoding=\"async\" src=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/e8-multiplication-1024x683.jpg\" alt=\"\" class=\"wp-image-176\"\/><\/a><figcaption class=\"wp-element-caption\"><strong>e8 &#8211; multiplications<\/strong><\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Petit regard sur la s\u00e9quence consacr\u00e9e \u00e0 la multiplication des entiers qui a \u00e9t\u00e9 test\u00e9e (et approuv\u00e9e ! lol) dans mes classes de CE2 comme de CM1 ou CM2. Il va s&rsquo;en dire que cette s\u00e9quence ne dispense en rien de nombreuses s\u00e9ances de manipulation notamment sur le sens de la multiplication qui, ici, n&rsquo;est [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-33","post","type-post","status-publish","format-standard","hentry","category-mathematiques"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La multiplication des nombres entiers - Un \u00e9cureuil dans mon cartable...<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/unecureuildansmoncartable.fr\/index.php\/2022\/08\/24\/la-multiplication-des-nombres-entiers\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La multiplication des nombres entiers - Un \u00e9cureuil dans mon cartable...\" \/>\n<meta property=\"og:description\" content=\"Petit regard sur la s\u00e9quence consacr\u00e9e \u00e0 la multiplication des entiers qui a \u00e9t\u00e9 test\u00e9e (et approuv\u00e9e ! lol) dans mes classes de CE2 comme de CM1 ou CM2. Il va s&rsquo;en dire que cette s\u00e9quence ne dispense en rien de nombreuses s\u00e9ances de manipulation notamment sur le sens de la multiplication qui, ici, n&rsquo;est [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"http:\/\/unecureuildansmoncartable.fr\/index.php\/2022\/08\/24\/la-multiplication-des-nombres-entiers\/\" \/>\n<meta property=\"og:site_name\" content=\"Un \u00e9cureuil dans mon cartable...\" \/>\n<meta property=\"article:published_time\" content=\"2022-08-24T07:45:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-01-19T11:34:44+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/multiplications-plan-1-1024x478.jpg\" \/>\n<meta name=\"author\" content=\"podax2001\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@podax2001\" \/>\n<meta name=\"twitter:site\" content=\"@podax2001\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"podax2001\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\/\/unecureuildansmoncartable.fr\/index.php\/2022\/08\/24\/la-multiplication-des-nombres-entiers\/#article\",\"isPartOf\":{\"@id\":\"http:\/\/unecureuildansmoncartable.fr\/index.php\/2022\/08\/24\/la-multiplication-des-nombres-entiers\/\"},\"author\":{\"name\":\"podax2001\",\"@id\":\"http:\/\/unecureuildansmoncartable.fr\/#\/schema\/person\/9eb4b76fe9226ae2fff39d00e4758559\"},\"headline\":\"La multiplication des nombres entiers\",\"datePublished\":\"2022-08-24T07:45:13+00:00\",\"dateModified\":\"2023-01-19T11:34:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\/\/unecureuildansmoncartable.fr\/index.php\/2022\/08\/24\/la-multiplication-des-nombres-entiers\/\"},\"wordCount\":371,\"commentCount\":0,\"publisher\":{\"@id\":\"http:\/\/unecureuildansmoncartable.fr\/#organization\"},\"image\":{\"@id\":\"http:\/\/unecureuildansmoncartable.fr\/index.php\/2022\/08\/24\/la-multiplication-des-nombres-entiers\/#primaryimage\"},\"thumbnailUrl\":\"http:\/\/unecureuildansmoncartable.fr\/wp-content\/uploads\/2023\/01\/multiplications-plan-1-1024x478.jpg\",\"articleSection\":[\"Math\u00e9matiques\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"http:\/\/unecureuildansmoncartable.fr\/index.php\/2022\/08\/24\/la-multiplication-des-nombres-entiers\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/unecureuildansmoncartable.fr\/index.php\/2022\/08\/24\/la-multiplication-des-nombres-entiers\/\",\"url\":\"http:\/\/unecureuildansmoncartable.fr\/index.php\/2022\/08\/24\/la-multiplication-des-nombres-entiers\/\",\"name\":\"La multiplication des nombres entiers - 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