{"id":2641,"date":"2017-06-16T13:43:25","date_gmt":"2017-06-16T11:43:25","guid":{"rendered":"https:\/\/champagnole.circo39.ac-besancon.fr\/?p=2641"},"modified":"2018-03-02T14:56:02","modified_gmt":"2018-03-02T13:56:02","slug":"zoom-sur-une-ressource-eduscol-mathematiques-cycle-3","status":"publish","type":"post","link":"https:\/\/champagnole.circo39.ac-besancon.fr\/?p=2641","title":{"rendered":"Zoom sur une ressource \u00e9duscol : math\u00e9matiques &#8211; cycle 3"},"content":{"rendered":"<p>Dans la partie intitul\u00e9e \u00ab\u00a0Nombres et calculs\u00a0\u00bb propos\u00e9e par <a href=\"http:\/\/eduscol.education.fr\/cid101461\/ressources-maths-cycle.html\" target=\"_blank\" rel=\"noopener\">\u00e9duscol<\/a> figure un document tr\u00e8s int\u00e9ressant sur les fractions et les nombres d\u00e9cimaux au cycle 3.<!--more--><\/p>\n<p><a href=\"http:\/\/cache.media.eduscol.education.fr\/file\/Fractions_et_decimaux\/60\/1\/RA16_C3_MATH_frac_dec_doc_maitre_V2_681601.pdf\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2645 aligncenter\" src=\"https:\/\/champagnole.circo39.ac-besancon.fr\/wp-content\/uploads\/sites\/9\/2017\/06\/fractions-210x300.jpg\" alt=\"\" width=\"210\" height=\"300\" srcset=\"https:\/\/champagnole.circo39.ac-besancon.fr\/wp-content\/uploads\/sites\/9\/2017\/06\/fractions-210x300.jpg 210w, https:\/\/champagnole.circo39.ac-besancon.fr\/wp-content\/uploads\/sites\/9\/2017\/06\/fractions.jpg 437w\" sizes=\"auto, (max-width: 210px) 100vw, 210px\" \/><\/a><\/p>\n<p>Vous y trouverez un lien vers un document regroupant des exemples d&rsquo;erreurs faites par les \u00e9l\u00e8ves. Pour chacun d&rsquo;entre elles, une analyse et des raisonnements \u00e0 privil\u00e9gier vous sont propos\u00e9s.<\/p>\n<p><a href=\"http:\/\/cache.media.education.gouv.fr\/file\/Fractions_et_decimaux\/24\/8\/RA16_C3_MATH_frac_dec_doc_maitre_tableaux_676248.pdf\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2644 aligncenter\" src=\"https:\/\/champagnole.circo39.ac-besancon.fr\/wp-content\/uploads\/sites\/9\/2017\/06\/erreurs-fractions-decimaux-300x228.jpg\" alt=\"\" width=\"300\" height=\"228\" srcset=\"https:\/\/champagnole.circo39.ac-besancon.fr\/wp-content\/uploads\/sites\/9\/2017\/06\/erreurs-fractions-decimaux-300x228.jpg 300w, https:\/\/champagnole.circo39.ac-besancon.fr\/wp-content\/uploads\/sites\/9\/2017\/06\/erreurs-fractions-decimaux.jpg 664w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Il y a notamment un point sur la multiplication d&rsquo;un nombre entier ou d\u00e9cimal par 10, 100, 1 000&#8230; qui pose souvent probl\u00e8me aux \u00e9l\u00e8ves.\u00a0 Pour les aider, un outil int\u00e9ressant et pratique est mis \u00e0 votre disposition. Il s&rsquo;agit d&rsquo;un glisse-nombre. Les \u00e9l\u00e8ves pourront l&rsquo;utiliser lors de la r\u00e9alisation de calculs ou pour v\u00e9rifier leur r\u00e9sultat. Son utilisation pourra venir compl\u00e9ter temporairement le travail r\u00e9alis\u00e9 sur le sens de l&rsquo;op\u00e9ration effectu\u00e9e\u00a0<em>(quand on multiplie un nombre par 10, il devient 10 fois plus grand, chacun de ses chiffres prend une valeur dix fois plus grande, le chiffre des unit\u00e9s devient le chiffre de dizaines&#8230;).\u00a0<\/em><\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/cache.media.education.gouv.fr\/file\/Fractions_et_decimaux\/42\/2\/RA16_C3_MATH_frac_dec_annexe_4_673422.pdf\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2643 aligncenter\" src=\"https:\/\/champagnole.circo39.ac-besancon.fr\/wp-content\/uploads\/sites\/9\/2017\/06\/glisse-nb-300x83.jpg\" alt=\"\" width=\"300\" height=\"83\" srcset=\"https:\/\/champagnole.circo39.ac-besancon.fr\/wp-content\/uploads\/sites\/9\/2017\/06\/glisse-nb-300x83.jpg 300w, https:\/\/champagnole.circo39.ac-besancon.fr\/wp-content\/uploads\/sites\/9\/2017\/06\/glisse-nb.jpg 470w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Ce\u00a0 glisse-nombre est d\u00e9clin\u00e9 en plusieurs versions : pdf ou modifiable, pour le cycle 2 ou 3. Il peut \u00eatre\u00a0individuel ou collectif.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans la partie intitul\u00e9e \u00ab\u00a0Nombres et calculs\u00a0\u00bb propos\u00e9e par \u00e9duscol figure un document tr\u00e8s int\u00e9ressant sur les fractions et les nombres d\u00e9cimaux au cycle 3.<\/p>\n","protected":false},"author":42,"featured_media":2643,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[141,158],"tags":[188,193,231,214,232],"class_list":["post-2641","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mathematiques","category-mise-en-oeuvre-des-programmes","tag-cycle-3","tag-eduscol","tag-glisse-nombre","tag-mathematiques","tag-multiplication"],"_links":{"self":[{"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=\/wp\/v2\/posts\/2641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=\/wp\/v2\/users\/42"}],"replies":[{"embeddable":true,"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2641"}],"version-history":[{"count":9,"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=\/wp\/v2\/posts\/2641\/revisions"}],"predecessor-version":[{"id":3670,"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=\/wp\/v2\/posts\/2641\/revisions\/3670"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=\/wp\/v2\/media\/2643"}],"wp:attachment":[{"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/champagnole.circo39.ac-besancon.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}