{"id":1686,"date":"2019-11-18T22:27:15","date_gmt":"2019-11-18T21:27:15","guid":{"rendered":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/?p=1686"},"modified":"2019-11-18T22:27:15","modified_gmt":"2019-11-18T21:27:15","slug":"defi-maths","status":"publish","type":"post","link":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/?p=1686","title":{"rendered":"d\u00e9fi maths"},"content":{"rendered":"<p>Il y a peu, la ma\u00eetresse nous a lanc\u00e9 un petit d\u00e9fi maths! Combien de touillettes \u00e0 caf\u00e9 sur cette table?<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1664\" src=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1684-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1684-300x225.jpg 300w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1684-768x576.jpg 768w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1684.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Nous avons lanc\u00e9 des propositions au hasard puis nous avons commenc\u00e9 de compter les touillettes une par une&#8230;. Chacun comptait de son c\u00f4t\u00e9 et nous n&rsquo;arrivions pas \u00e0 nous organiser et \u00e0 nous mettre d&rsquo;accord.<\/p>\n<p>Comment faire pour nous organiser et aller plus vite dans notre travail?<\/p>\n<p>Nous avons soumis diff\u00e9rentes id\u00e9es et nous avons retenu la solution de faire des paquets de 10!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1665\" src=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1685-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1685-225x300.jpg 225w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1685.jpg 600w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1666\" src=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1686-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1686-300x225.jpg 300w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1686-768x576.jpg 768w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1686.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1667\" src=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1687-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1687-300x225.jpg 300w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1687-768x576.jpg 768w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1687.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1668\" src=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1688-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1688-300x225.jpg 300w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1688-768x576.jpg 768w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1688.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1669\" src=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1689-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1689-300x225.jpg 300w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1689-768x576.jpg 768w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1689.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/> <img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1670\" src=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1690-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1690-300x225.jpg 300w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1690-768x576.jpg 768w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1690.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Une fois le travail effectu\u00e9, voici ce que nous avons obtenu :<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1671\" src=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1691-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1691-225x300.jpg 225w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1691.jpg 600w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/p>\n<p>De nombreux paquets de 10 et 4 touillettes! Comment faire?<\/p>\n<p>Nous avons commenc\u00e9 par compter les paquets de 10 : 10, 20, 30&#8230; 80, 90, 100. A 100 certains \u00e9l\u00e8ves ont r\u00e9agi et ont d\u00e9cid\u00e9 de faire des paquets de 100 que nous avons gliss\u00e9 ds des enveloppes.<\/p>\n<p>Pour faire 100 il nous fallait 10 paquets de 10!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1672\" src=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1692-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1692-225x300.jpg 225w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1692.jpg 600w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/p>\n<p>Et voici le r\u00e9sultat final ! 5 paquets de 100, 3 paquets de 10 et 4 touillettes = 534 touillettes!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-1673\" src=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1693-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1693-225x300.jpg 225w, http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/wp-content\/uploads\/sites\/487\/2019\/11\/IMG_1693.jpg 600w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/p>\n<p>D\u00e9fi relev\u00e9!!!!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Il y a peu, la ma\u00eetresse nous a lanc\u00e9 un petit d\u00e9fi maths! Combien de touillettes \u00e0 caf\u00e9 sur cette table? Nous avons lanc\u00e9 des propositions au hasard puis nous avons commenc\u00e9 de compter les touillettes une par une&#8230;. Chacun comptait de son c\u00f4t\u00e9 et nous n&rsquo;arrivions pas \u00e0 nous organiser et \u00e0 nous mettre [&hellip;]<\/p>\n","protected":false},"author":2148,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21,1,22],"tags":[],"class_list":["post-1686","post","type-post","status-publish","format-standard","hentry","category-emilie-dufourac-dijon-fr","category-non-classe","category-emilie-dufour1ac-dijon-fr"],"_links":{"self":[{"href":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/index.php?rest_route=\/wp\/v2\/posts\/1686","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/index.php?rest_route=\/wp\/v2\/users\/2148"}],"replies":[{"embeddable":true,"href":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1686"}],"version-history":[{"count":1,"href":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/index.php?rest_route=\/wp\/v2\/posts\/1686\/revisions"}],"predecessor-version":[{"id":1690,"href":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/index.php?rest_route=\/wp\/v2\/posts\/1686\/revisions\/1690"}],"wp:attachment":[{"href":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1686"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1686"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ele-perrigny-les-dijon-21.ec.ac-dijon.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1686"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}