{"id":1097,"date":"2022-03-08T10:00:00","date_gmt":"2022-03-08T09:00:00","guid":{"rendered":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/?p=1097"},"modified":"2022-03-11T11:19:28","modified_gmt":"2022-03-11T10:19:28","slug":"pratiquer-le-calcul-mental-a-lenvers-avec-le-jeu","status":"publish","type":"post","link":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/?p=1097","title":{"rendered":"Pratiquer le calcul mental \u00e0 l\u2019envers avec le jeu\u00a0!"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Suite \u00e0 une conf\u00e9rence de Eric Trouillot, professeur de Math\u00e9matiques \u00e0 Besan\u00e7on<strong>Le calcul mental \u00e0 l\u2019envers en jeu<\/strong>L\u2019id\u00e9e est de proposer des jeux simples aux \u00e9l\u00e8ves pour favoriser la pratique du calcul mental. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fabriquer des nombres \u00e0 partir d\u2019autres nombres\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>inciter tous les \u00e9l\u00e8ves \u00e0 devenir acteur.<\/li><li>construire une v\u00e9ritable relation avec les nombres\u00a0: faire des choix. \u00ab\u00a0comment je fais pour trouver\u00a0\u00bb \u2014>test, t\u00e2tonnement, manipulation mentale, ajustements,<\/li><li>construire la relation des nombres aux op\u00e9rations\u00a0: \u00ab\u00a0je peux ne pas trouver la solution mais j\u2019ai fait du calcul mental\u00a0\u00bb<\/li><li>favoriser le test avec la pratique de la d\u00e9composition recomposition du nombre cible et un travail sur les ordres de grandeurs\u00a0: deux cl\u00e9s pour le sens du nombre<\/li><li>faire le lien avec les 6 comp\u00e9tences maths\u00a0: calculer avec chercher, raisonner et communiquer (repr\u00e9senter et mod\u00e9liser aussi)<\/li><li>ressort ludique naturel qui apporte une dimension plaisir donc id\u00e9al pour installer une culture du calcul par le jeu\u00a0: exercice qui plait aux \u00e9l\u00e8ves ou aux adultes car ce jeu est en phase avec le fonctionnement de notre cerveau (c\u2019est un organe qui est en test permanent, qui ajuste en \u00e9liminant ce qui ne fonctionne pas et en gardant ce qui fonctionne, principe de la combinatoire)<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Jeux propos\u00e9s\u00a0:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1 jeu \u00e0 fabriquer&nbsp;:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>TRIO<\/strong> (document en pj pour le fabriquer)<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2 jeux \u00e0 acheter\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>D\u00e9tective Math\u00e9o<\/strong><\/li><li><strong>Mathador<\/strong><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">3 jeux en ligne :\u00a0<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>Mathador Chrono<\/strong>\u00a0: <a href=\"https:\/\/mathador.fr\/chrono.html\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/mathador.fr\/chrono.html<\/a><\/li><li><strong>TRIO<\/strong>\u00a0: <a href=\"http:\/\/www.acamus.net\/index.php?option=com_content&amp;view=article&amp;id=305&amp;catid=41&amp;Itemid=219\" target=\"_blank\" rel=\"noreferrer noopener\">http:\/\/www.acamus.net\/index.php?option=com_content&amp;view=article&amp;id=305&amp;catid=41&amp;Itemid=219<\/a><\/li><li><strong><a href=\"https:\/\/mathenpoche.sesamath.net\/\" target=\"_blank\" rel=\"noreferrer noopener\">Maths en poche<\/a><\/strong> sur le site de Sesamath<\/li><\/ul>\n\n\n<div class=\"wp-block-visual-portfolio\">\n<div class=\"vp-portfolio vp-uid-cb6018b2 vp-id-Z2sf0Al\"\n\tdata-vp-layout=\"tiles\" data-vp-content-source=\"images\" data-vp-items-style=\"fade\" data-vp-items-click-action=\"popup_gallery\" data-vp-items-gap=\"15\" data-vp-items-gap-vertical=\"\" data-vp-pagination=\"load-more\" data-vp-next-page-url=\"\" data-vp-tiles-type=\"3|1,1|\" >\n\t<div class=\"vp-portfolio__preloader-wrap\">\n\t\t<div class=\"vp-portfolio__preloader\">\n\t\t\t<img decoding=\"async\" loading=\"eager\" 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https:\/\/sites.ac-nancy-metz.fr\/dsden55\/wp-content\/uploads\/2022\/03\/ex_calcul_a_lenvers-1024x763.jpg 1024w\" data-sizes=\"auto\" loading=\"eager\">\n\t\t<\/a>\t<\/div>\n<\/div>\n\t<figcaption class=\"vp-portfolio__item-overlay vp-portfolio__item-overlay-text-align-center\">\n\t\t<div class=\"vp-portfolio__item-meta-wrap vp-portfolio__custom-scrollbar\">\n\t\t\t\t<a\n\t\thref=\"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/wp-content\/uploads\/2022\/03\/ex_calcul_a_lenvers.jpg\"\n\t\ttabindex=\"-1\" class=\"vp-portfolio__item-meta\" aria-label=\"ex_calcul_a_lenvers\" \t>\n\t\n<h2 class=\"vp-portfolio__item-meta-title\">\n\tex_calcul_a_lenvers<\/h2>\n<\/a>\t\t<\/div>\n\t<\/figcaption>\n\t\t\t<\/figure>\n\t\t\t\t\t<\/div>\n\t\t\n<\/div>\n\t\t<\/div>\n\t\t\n<\/div>\n<\/div>\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-02a3290a-4729-49fe-868e-b06e5c45ea6b\" href=\"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/wp-content\/uploads\/2022\/03\/planche_jeu_trio-2.docx\">planche_jeu_trio-2_docx<\/a><a href=\"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/wp-content\/uploads\/2022\/03\/planche_jeu_trio-2.docx\" class=\"wp-block-file__button\" download aria-describedby=\"wp-block-file--media-02a3290a-4729-49fe-868e-b06e5c45ea6b\">T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n<div class=\"wp-block-file\"><a id=\"wp-block-file--media-8c894678-025f-4b63-b973-8645be401b71\" href=\"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/wp-content\/uploads\/2022\/03\/planche_jeu_trio-2.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">planche_jeu_trio-2_pdf<\/a><a href=\"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/wp-content\/uploads\/2022\/03\/planche_jeu_trio-2.pdf\" class=\"wp-block-file__button\" download aria-describedby=\"wp-block-file--media-8c894678-025f-4b63-b973-8645be401b71\">T\u00e9l\u00e9charger<\/a><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/mathenpoche.sesamath.net\/\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Suite \u00e0 une conf\u00e9rence de Eric Trouillot, professeur de Math\u00e9matiques \u00e0 Besan\u00e7onLe calcul mental \u00e0 l\u2019envers en jeuL\u2019id\u00e9e est de proposer des jeux simples aux <a class=\"mh-excerpt-more\" href=\"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/?p=1097\" title=\"Pratiquer le calcul mental \u00e0 l\u2019envers avec le jeu\u00a0!\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":973,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_vp_format_video_url":"","_vp_image_focal_point":[],"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[16,29],"tags":[],"class_list":["post-1097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mathematiques","category-scenarios-outils-veille-pedagogique"],"acf":[],"jetpack_featured_media_url":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/wp-content\/uploads\/2022\/03\/rubon67-fbd04.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=\/wp\/v2\/posts\/1097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1097"}],"version-history":[{"count":3,"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=\/wp\/v2\/posts\/1097\/revisions"}],"predecessor-version":[{"id":1107,"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=\/wp\/v2\/posts\/1097\/revisions\/1107"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=\/wp\/v2\/media\/973"}],"wp:attachment":[{"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.ac-nancy-metz.fr\/dsden55\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}