{"id":3207,"date":"2015-06-15T14:46:04","date_gmt":"2015-06-15T18:46:04","guid":{"rendered":"\/pole-maths\/?p=3207"},"modified":"2015-06-15T14:46:04","modified_gmt":"2015-06-15T18:46:04","slug":"labaque-multi-bases","status":"publish","type":"post","link":"https:\/\/site.ac-martinique.fr\/pole-maths\/?p=3207","title":{"rendered":"L&rsquo;abaque multi-bases"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"font-size: medium;\"><strong>L&rsquo;abaque<\/strong> est un mat\u00e9riel qui <strong>donne du sens \u00e0 notre <img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-3209 size-full\" src=\"\/pole-maths\/wp-content\/uploads\/sites\/26\/2015\/06\/abaques.png\" alt=\"abaques\" width=\"182\" height=\"147\" srcset=\"https:\/\/site.ac-martinique.fr\/pole-maths\/wp-content\/uploads\/sites\/26\/2015\/06\/abaques.png 182w, https:\/\/site.ac-martinique.fr\/pole-maths\/wp-content\/uploads\/sites\/26\/2015\/06\/abaques-150x121.png 150w\" sizes=\"auto, (max-width: 182px) 100vw, 182px\" \/>num\u00e9ration d\u00e9cimale de position<\/strong>. Il permet de questionner \u00ab\u00a0le z\u00e9ro\u00a0\u00bb, de se repr\u00e9senter les quantit\u00e9s, de mat\u00e9rialiser les groupements et les \u00e9changes et de calculer&#8230; C&rsquo;est un outil de d\u00e9contextualisation qui permet l&rsquo;entr\u00e9e dans une num\u00e9ration conceptuelle.<\/span><\/p>\n<h3 style=\"text-align: justify;\"><span style=\"font-size: medium;\">Le logiciel \u00ab\u00a0Abaque multi-bases\u00a0\u00bb\u00a0 propos\u00e9 par Didier Bertin se pr\u00e9sente comme un <strong>simulateur d&rsquo;abaque 4 tiges<\/strong>. Il peut \u00eatre utilis\u00e9 par un petit groupe d&rsquo;\u00e9l\u00e8ves sur un ordinateur ou sur un TNI avec un grand groupe d&rsquo;\u00e9l\u00e8ves.<\/span><\/h3>\n<p><!--more--><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-size: medium;\">Comme il l&rsquo;explique sur son site, le logiciel permet:<\/span><\/p>\n<ul>\n<li style=\"text-align: justify;\"><span style=\"font-size: medium;\">de lancer des op\u00e9rations de comptage (jusqu&rsquo;\u00e0 9999 dans notre syst\u00e8me de num\u00e9ration) en affichant ou non le code d\u00e9cimal associ\u00e9 ; un syst\u00e8me de notation sp\u00e9cifique est introduit pour marquer la saturation sur une tige ;<\/span><\/li>\n<li style=\"text-align: justify;\">de lancer des calculs additifs ou soustractifs;<\/li>\n<li style=\"text-align: justify;\">de tracer les manipulations successives (par exemple pour construire un protocole p\u00e9dagogique sp\u00e9cifique en vue d&rsquo;une prochaine s\u00e9ance) ;<\/li>\n<li style=\"text-align: justify;\">d&rsquo;afficher une s\u00e9rie de consignes que l&rsquo;\u00e9l\u00e8ve pourra suivre (ce simulateur n&rsquo;est donc pas destin\u00e9 avant tout \u00e0 des \u00e9l\u00e8ves de classes maternelles).<\/li>\n<\/ul>\n<p><a href=\"http:\/\/db.vdb.free.fr\/Nombres\/Machines\/Abacus\/abacus.htm\" target=\"_blank\">T\u00e9l\u00e9charger le logiciel.<\/a><\/p>\n<p style=\"text-align: justify;\">\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;abaque est un mat\u00e9riel qui donne du sens \u00e0 notre num\u00e9ration d\u00e9cimale de position. Il permet de questionner \u00ab\u00a0le z\u00e9ro\u00a0\u00bb, de se repr\u00e9senter les quantit\u00e9s, de mat\u00e9rialiser les groupements et les \u00e9changes et de calculer&#8230; C&rsquo;est un outil de d\u00e9contextualisation&#8230; <a class=\"more-link\" href=\"https:\/\/site.ac-martinique.fr\/pole-maths\/?p=3207\">Continue Reading &rarr;<\/a><\/p>\n","protected":false},"author":83,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[47,41],"tags":[64,121],"class_list":["post-3207","post","type-post","status-publish","format-standard","hentry","category-cycle2","category-nombresetcalcul","tag-cycle-2","tag-numeration"],"_links":{"self":[{"href":"https:\/\/site.ac-martinique.fr\/pole-maths\/index.php?rest_route=\/wp\/v2\/posts\/3207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/site.ac-martinique.fr\/pole-maths\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/site.ac-martinique.fr\/pole-maths\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/site.ac-martinique.fr\/pole-maths\/index.php?rest_route=\/wp\/v2\/users\/83"}],"replies":[{"embeddable":true,"href":"https:\/\/site.ac-martinique.fr\/pole-maths\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3207"}],"version-history":[{"count":5,"href":"https:\/\/site.ac-martinique.fr\/pole-maths\/index.php?rest_route=\/wp\/v2\/posts\/3207\/revisions"}],"predecessor-version":[{"id":3218,"href":"https:\/\/site.ac-martinique.fr\/pole-maths\/index.php?rest_route=\/wp\/v2\/posts\/3207\/revisions\/3218"}],"wp:attachment":[{"href":"https:\/\/site.ac-martinique.fr\/pole-maths\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/site.ac-martinique.fr\/pole-maths\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3207"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/site.ac-martinique.fr\/pole-maths\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}