{"id":2159,"date":"2025-08-18T12:10:48","date_gmt":"2025-08-18T10:10:48","guid":{"rendered":"http:\/\/www.educ-montessori.com\/?p=2159"},"modified":"2025-08-18T12:12:33","modified_gmt":"2025-08-18T10:12:33","slug":"les-boites-a-nombres","status":"publish","type":"post","link":"https:\/\/www.educ-montessori.com\/index.php\/2025\/08\/18\/les-boites-a-nombres\/","title":{"rendered":"Les boites \u00e0 nombres"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"89\" src=\"http:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-1024x89.png\" alt=\"\" class=\"wp-image-1814\" srcset=\"https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-1024x89.png 1024w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-300x26.png 300w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-768x67.png 768w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2.png 1039w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"has-large-font-size\">Les bo\u00eetes \u00e0 nombres constituent un <strong>mat\u00e9riel incontournable<\/strong> pour l&rsquo;apprentissage des premi\u00e8res notions de calcul. Leur simplicit\u00e9 d&rsquo;utilisation et leur polyvalence en font un outil p\u00e9dagogique de choix pour accompagner les \u00e9l\u00e8ves dans leur d\u00e9couverte des nombres et des op\u00e9rations.<\/p>\n\n\n\n<p class=\"has-text-align-right has-small-font-size\"><em><a href=\"https:\/\/majuscule.fr\/decouvrir-les-mathematiques\/104944-20-plaques-200-jetons.html\" target=\"_blank\" rel=\"noreferrer noopener\">J&rsquo;ai command\u00e9 mon mat\u00e9riel sur Majuscule.<\/a><\/em><\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large is-style-default\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"2163\" src=\"http:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138315_SytVbTJzWUlkTkhtZk5rbTh5MEdHNURsMTFKOTJVVU03YnZydU9YeGNRaz0-1024x1024.jpg\" alt=\"\" class=\"wp-image-2163\" srcset=\"https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138315_SytVbTJzWUlkTkhtZk5rbTh5MEdHNURsMTFKOTJVVU03YnZydU9YeGNRaz0-1024x1024.jpg 1024w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138315_SytVbTJzWUlkTkhtZk5rbTh5MEdHNURsMTFKOTJVVU03YnZydU9YeGNRaz0-300x300.jpg 300w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138315_SytVbTJzWUlkTkhtZk5rbTh5MEdHNURsMTFKOTJVVU03YnZydU9YeGNRaz0-150x150.jpg 150w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138315_SytVbTJzWUlkTkhtZk5rbTh5MEdHNURsMTFKOTJVVU03YnZydU9YeGNRaz0-768x768.jpg 768w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138315_SytVbTJzWUlkTkhtZk5rbTh5MEdHNURsMTFKOTJVVU03YnZydU9YeGNRaz0.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"2161\" src=\"http:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138314_SytVbTJzWUlkTkhtZk5rbTh5MEdHNzhQbG0rcHNOQTFQNys4ZnIyU3o1UT0-1024x1024.jpg\" alt=\"\" class=\"wp-image-2161\" srcset=\"https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138314_SytVbTJzWUlkTkhtZk5rbTh5MEdHNzhQbG0rcHNOQTFQNys4ZnIyU3o1UT0-1024x1024.jpg 1024w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138314_SytVbTJzWUlkTkhtZk5rbTh5MEdHNzhQbG0rcHNOQTFQNys4ZnIyU3o1UT0-300x300.jpg 300w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138314_SytVbTJzWUlkTkhtZk5rbTh5MEdHNzhQbG0rcHNOQTFQNys4ZnIyU3o1UT0-150x150.jpg 150w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138314_SytVbTJzWUlkTkhtZk5rbTh5MEdHNzhQbG0rcHNOQTFQNys4ZnIyU3o1UT0-768x768.jpg 768w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138314_SytVbTJzWUlkTkhtZk5rbTh5MEdHNzhQbG0rcHNOQTFQNys4ZnIyU3o1UT0.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" data-id=\"2162\" src=\"http:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138313_SytVbTJzWUlkTkhtZk5rbTh5MEdHN290TVQwY2NoVlpMZmoyeS9Dc21GVT0-1024x1024.jpg\" alt=\"\" class=\"wp-image-2162\" srcset=\"https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138313_SytVbTJzWUlkTkhtZk5rbTh5MEdHN290TVQwY2NoVlpMZmoyeS9Dc21GVT0-1024x1024.jpg 1024w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138313_SytVbTJzWUlkTkhtZk5rbTh5MEdHN290TVQwY2NoVlpMZmoyeS9Dc21GVT0-300x300.jpg 300w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138313_SytVbTJzWUlkTkhtZk5rbTh5MEdHN290TVQwY2NoVlpMZmoyeS9Dc21GVT0-150x150.jpg 150w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138313_SytVbTJzWUlkTkhtZk5rbTh5MEdHN290TVQwY2NoVlpMZmoyeS9Dc21GVT0-768x768.jpg 768w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138313_SytVbTJzWUlkTkhtZk5rbTh5MEdHN290TVQwY2NoVlpMZmoyeS9Dc21GVT0.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<h1 class=\"wp-block-heading\" style=\"font-size:60px\">Description du mat\u00e9riel<\/h1>\n\n\n\n<p class=\"has-medium-font-size\">Les bo\u00eetes \u00e0 nombres, \u00e9galement appel\u00e9es <strong>bo\u00eetes \u00e0 calcul<\/strong>, sont un mat\u00e9riel p\u00e9dagogique manipulatif con\u00e7u pour l&rsquo;apprentissage des math\u00e9matiques au cycle 2. Je les utilise d\u00e8s la premi\u00e8re p\u00e9riode  avec <a href=\"http:\/\/www.educ-montessori.com\/index.php\/les-cap\/\" data-type=\"page\" data-id=\"2042\">des cartes \u00e0 pince<\/a> de calcul. Le petit plus : les jetons bicolores aux couleurs Montessori !<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:35% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/majuscule.fr\/decouvrir-les-mathematiques\/104944-20-plaques-200-jetons.html\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"http:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138317_SytVbTJzWUlkTkhtZk5rbTh5MEdHL3pDQUVwY1h4dTZMa2RIUExSTEh5bz0-1024x1024.jpg\" alt=\"\" class=\"wp-image-2160 size-full\" srcset=\"https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138317_SytVbTJzWUlkTkhtZk5rbTh5MEdHL3pDQUVwY1h4dTZMa2RIUExSTEh5bz0-1024x1024.jpg 1024w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138317_SytVbTJzWUlkTkhtZk5rbTh5MEdHL3pDQUVwY1h4dTZMa2RIUExSTEh5bz0-300x300.jpg 300w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138317_SytVbTJzWUlkTkhtZk5rbTh5MEdHL3pDQUVwY1h4dTZMa2RIUExSTEh5bz0-150x150.jpg 150w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138317_SytVbTJzWUlkTkhtZk5rbTh5MEdHL3pDQUVwY1h4dTZMa2RIUExSTEh5bz0-768x768.jpg 768w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/08\/138317_SytVbTJzWUlkTkhtZk5rbTh5MEdHL3pDQUVwY1h4dTZMa2RIUExSTEh5bz0.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p><strong>Composition<\/strong> : 20 plaques et 200 jetons (id\u00e9al pour un atelier de classe)<\/p>\n\n\n\n<p><strong>Plaques<\/strong> : dispos\u00e9es en deux lignes pouvant contenir exactement 10 jetons<\/p>\n\n\n\n<p><strong>Jetons bicolores<\/strong> : une face bleue, une face rouge<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" style=\"font-size:60px\">Utilisations p\u00e9dagogiques<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. L&rsquo;addition<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Placer le premier nombre avec les jetons face <strong>bleue<\/strong><\/li>\n\n\n\n<li>Ajouter le second nombre en retournant les jetons face <strong>rouge<\/strong><\/li>\n\n\n\n<li>Visualisation concr\u00e8te de l&rsquo;op\u00e9ration d&rsquo;addition<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Les d\u00e9compositions additives<\/h3>\n\n\n\n<p><strong>Particuli\u00e8rement efficace pour \u00ab\u00a0tout ce qui fait 10\u00a0\u00bb<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L&rsquo;enfant part avec 10 jetons (quantit\u00e9 compl\u00e8te)<\/li>\n\n\n\n<li>Il retourne progressivement les jetons pour d\u00e9couvrir les diff\u00e9rentes combinaisons<\/li>\n\n\n\n<li>Exemples : 1+9, 2+8, 3+7, 4+6, 5+5&#8230;<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. La soustraction<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Partir du nombre total (le \u00ab\u00a0tout\u00a0\u00bb)<\/li>\n\n\n\n<li>Retourner les jetons correspondant \u00e0 la quantit\u00e9 \u00e0 enlever<\/li>\n\n\n\n<li>Approche intuitive du concept de soustraction<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. Le travail sur les doubles<\/h3>\n\n\n\n<p>Gr\u00e2ce \u00e0 la disposition en deux lignes, les enfants peuvent :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Visualiser les doubles (2+2, 3+3, 4+4&#8230;)<\/li>\n\n\n\n<li>Comprendre la sym\u00e9trie des op\u00e9rations<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"89\" src=\"http:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-1024x89.png\" alt=\"\" class=\"wp-image-1814\" srcset=\"https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-1024x89.png 1024w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-300x26.png 300w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-768x67.png 768w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2.png 1039w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Diaporama \u00ab\u00a0Soustraction\u00a0\u00bb avec les boites et les jetons bicolores<\/h2>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"670\" data-id=\"710\" src=\"http:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_19-1024x670.jpg\" alt=\"\" class=\"wp-image-710\" srcset=\"https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_19-1024x670.jpg 1024w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_19-300x196.jpg 300w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_19-768x502.jpg 768w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_19-1536x1004.jpg 1536w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_19-2048x1339.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"670\" data-id=\"709\" src=\"http:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_17-1024x670.jpg\" alt=\"\" class=\"wp-image-709\" srcset=\"https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_17-1024x670.jpg 1024w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_17-300x196.jpg 300w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_17-768x502.jpg 768w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_17-1536x1004.jpg 1536w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2024\/11\/SOUSTRACTIONS-JETONS-inf-10_17-2048x1339.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>Mon diaporama de calcul est d\u00e9sormais en ligne sur <strong><a href=\"https:\/\/ko-fi.com\/montessori_publique_cycle2\">mon compte Ko-Fi<\/a><\/strong>. Il pr\u00e9sente une introduction aux petites soustractions, en utilisant les boites \u00e0 nombres et des jetons bicolores, un mat\u00e9riel que j\u2019utilise en classe.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.NotAllowedScript69e5e47bf3e66instagram.com\/reel\/C_xRNNfo55u\/?utm_source=ig_web_copy_link&amp;igsh=MzRlODBiNWFlZA==\">Vid\u00e9o<\/a><\/div>\n\n\n\n<div class=\"wp-block-button has-custom-width wp-block-button__width-50\"><a class=\"wp-block-button__link has-vivid-red-background-color has-background wp-element-button\" href=\"https:\/\/ko-fi.com\/s\/0c0228311e\">PDF<\/a><\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"89\" src=\"http:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-1024x89.png\" alt=\"\" class=\"wp-image-1814\" srcset=\"https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-1024x89.png 1024w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-300x26.png 300w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2-768x67.png 768w, https:\/\/www.educ-montessori.com\/wp-content\/uploads\/2025\/07\/ban2.png 1039w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Les bo\u00eetes \u00e0 nombres constituent un mat\u00e9riel incontournable pour l&rsquo;apprentissage des premi\u00e8res notions de calcul. Leur simplicit\u00e9 d&rsquo;utilisation et leur polyvalence en font un outil p\u00e9dagogique de choix pour accompagner les \u00e9l\u00e8ves dans leur d\u00e9couverte des nombres et des op\u00e9rations. J&rsquo;ai command\u00e9 mon mat\u00e9riel sur Majuscule. Description du mat\u00e9riel Les bo\u00eetes \u00e0 nombres, \u00e9galement appel\u00e9es [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2159","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/www.educ-montessori.com\/index.php\/wp-json\/wp\/v2\/posts\/2159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.educ-montessori.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.educ-montessori.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.educ-montessori.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.educ-montessori.com\/index.php\/wp-json\/wp\/v2\/comments?post=2159"}],"version-history":[{"count":3,"href":"https:\/\/www.educ-montessori.com\/index.php\/wp-json\/wp\/v2\/posts\/2159\/revisions"}],"predecessor-version":[{"id":2166,"href":"https:\/\/www.educ-montessori.com\/index.php\/wp-json\/wp\/v2\/posts\/2159\/revisions\/2166"}],"wp:attachment":[{"href":"https:\/\/www.educ-montessori.com\/index.php\/wp-json\/wp\/v2\/media?parent=2159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.educ-montessori.com\/index.php\/wp-json\/wp\/v2\/categories?post=2159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.educ-montessori.com\/index.php\/wp-json\/wp\/v2\/tags?post=2159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}