{"id":556,"date":"2021-01-03T15:30:49","date_gmt":"2021-01-03T14:30:49","guid":{"rendered":"http:\/\/lecahierdemath.fr\/?p=556"},"modified":"2026-01-14T23:30:40","modified_gmt":"2026-01-14T22:30:40","slug":"n4-les-fractions","status":"publish","type":"post","link":"http:\/\/lecahierdemath.fr\/index.php\/2021\/01\/03\/n4-les-fractions\/","title":{"rendered":"N4- Les fractions"},"content":{"rendered":"\n<ul class=\"wp-block-list\"><li>Quand on partage (divise) une unit\u00e9 ( 1 ) par un nombre entier (1, 2, 3, 4&#8230;), on obtient un nouveau nombre appel\u00e9 : fraction.<\/li><\/ul>\n\n\n\n<p>Un demi-litre, c&rsquo;est un litre divis\u00e9 par 2. On \u00e9crit :&nbsp;&nbsp;&nbsp; <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"87\" height=\"92\" src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/image.png\" alt=\"\" class=\"wp-image-557\"\/><\/figure><\/div>\n\n\n\n<p>Un quart d&rsquo;heure, c&rsquo;est une heure divis\u00e9e par 4. On \u00e9crit :&nbsp;&nbsp; <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/image-1.png\" alt=\"\" class=\"wp-image-558\" width=\"158\" height=\"83\" srcset=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/image-1.png 591w, http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/image-1-300x157.png 300w\" sizes=\"auto, (max-width: 158px) 100vw, 158px\" \/><\/figure><\/div>\n\n\n\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;Le tiers d&rsquo;une feuille, c&rsquo;est une feuille divis\u00e9e par 3. On \u00e9crit :&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"140\" height=\"89\" src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/image-2.png\" alt=\"\" class=\"wp-image-559\"\/><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"654\" height=\"89\" src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/image-3.png\" alt=\"\" class=\"wp-image-560\" srcset=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/image-3.png 654w, http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/image-3-300x41.png 300w\" sizes=\"auto, (max-width: 654px) 100vw, 654px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><a href=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Ca3-La-multiplication.pdf\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Cahier.jpg\" alt=\"\" class=\"wp-image-22\" width=\"166\" height=\"111\" srcset=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Cahier.jpg 550w, http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Cahier-300x200.jpg 300w\" sizes=\"auto, (max-width: 166px) 100vw, 166px\" \/><\/a><figcaption><a href=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/N4-les-fractions.pdf\">la carte mentale<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Diaporama.jpg\" alt=\"\" class=\"wp-image-23\" width=\"174\" height=\"131\" srcset=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Diaporama.jpg 672w, http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Diaporama-300x226.jpg 300w\" sizes=\"auto, (max-width: 174px) 100vw, 174px\" \/><figcaption><a href=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/N4-Lire-et-comprendre-les-fractions.pptx\">Diaporama (lire les fractions) <\/a><\/figcaption><\/figure><\/div>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Diaporama.jpg\" alt=\"\" class=\"wp-image-23\" width=\"174\" height=\"131\" srcset=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Diaporama.jpg 672w, http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Diaporama-300x226.jpg 300w\" sizes=\"auto, (max-width: 174px) 100vw, 174px\" \/><figcaption><a href=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/03\/N4bis-Comparer-des-fractions.pptx\">Diaporama (comparer des fractions)<\/a><br><img loading=\"lazy\" decoding=\"async\" width=\"174\" height=\"131\" src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2020\/06\/Diaporama.jpg\" alt=\"\"><a href=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/03\/N4ter-Decomposer-et-encadrer-une-fraction.pptx\">Diaporama (d\u00e9composer et encadrer des fractions)<\/a><\/figcaption><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video height=\"720\" style=\"aspect-ratio: 800 \/ 720;\" width=\"800\" controls src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/01\/N4-Lire-Et-Comprendre-Les-Fractions.m4v\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video height=\"720\" style=\"aspect-ratio: 800 \/ 720;\" width=\"800\" controls src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/03\/N4bis-Comparer-Des-Fractions.m4v\"><\/video><\/figure>\n\n\n\n<figure class=\"wp-block-video aligncenter\"><video height=\"720\" style=\"aspect-ratio: 800 \/ 720;\" width=\"800\" controls src=\"http:\/\/lecahierdemath.fr\/wp-content\/uploads\/2021\/03\/N4ter-Decomposer-Et-Encadrer-Une-Fraction.m4v\"><\/video><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Quand on partage (divise) une unit\u00e9 ( 1 ) par un nombre entier (1, 2, 3, 4&#8230;), on obtient un nouveau nombre appel\u00e9 : fraction. Un demi-litre, c&rsquo;est un litre divis\u00e9 par 2. On \u00e9crit :&nbsp;&nbsp;&nbsp; Un quart d&rsquo;heure, c&rsquo;est une heure divis\u00e9e par 4. On \u00e9crit :&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;Le tiers d&rsquo;une feuille, c&rsquo;est une feuille divis\u00e9e par 3. On \u00e9crit :&nbsp;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-556","post","type-post","status-publish","format-standard","hentry","category-numeration"],"_links":{"self":[{"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/posts\/556","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/comments?post=556"}],"version-history":[{"count":2,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/posts\/556\/revisions"}],"predecessor-version":[{"id":803,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/posts\/556\/revisions\/803"}],"wp:attachment":[{"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/media?parent=556"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/categories?post=556"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/lecahierdemath.fr\/index.php\/wp-json\/wp\/v2\/tags?post=556"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}