![\"DREAM_NR_LACROIXGRECQUE_IllustrationEnonc\u00e9\"](\"https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png\" "\\"DREAM_NR_LACROIXGRECQUE_IllustrationEnonc\u00e9\\"")
\n\t\t\t\n\t\t\t\t\t\tRetour Panier \u00e0 probl\u00e8mes\n\t\t\t\t\t<\/a>\n\tComp\u00e9tences transversales<\/h3>\n\u2666 R\u00e9aliser, manipuler, mesurer, calculer.
\n\u2666 Pr\u00e9senter la d\u00e9marche suivie, les r\u00e9sultats obtenus, communiquer \u00e0 l’aide d’un langage adapt\u00e9.
\n\u2666 S’interroger sur la notion d’aire.\n\tConnaissances math\u00e9matiques<\/h3>\n\u2666\u00a0Travailler sur la sym\u00e9trie et les figures de base (carr\u00e9, rectangle, triangle).
\n\u2666 Relier les sym\u00e9tries de la figure \u00e0 la notion de multiple (partage en 4, 8, 16 par exemple).
\n\u2666 Utiliser des calculs, formules, manipulations g\u00e9om\u00e9triques pour comparer des aires.
\n\u2666 Travailler sur les notions de p\u00e9rim\u00e8tre et d’aire, de partage uniforme.
\n\u2666 Effectuer des calculs d’aire ou comparer des aires par des moyens g\u00e9om\u00e9triques.\n\t\t\t\n\t\t\t\t\t\t\tT\u00e9l\u00e9charcher le document complet\n\t\t\t<\/a>\n\n","protected":false},"excerpt":{"rendered":"Comment d\u00e9couper une croix grecque en 2, 3, 4\u2026 jusqu\u2019\u00e0 100 parties de m\u00eame aire\u202f? Peut-on trouver une m\u00e9thode g\u00e9n\u00e9rale pour n\u2019importe quel nombre de parts\u202f?<\/p>\n","protected":false},"author":3,"featured_media":2629,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107],"tags":[],"niveau":[113,114],"type_situation":[116],"theme_maths":[120,121],"probleme_associe":[],"type-expe":[],"class_list":{"0":"post-2627","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-situation-probleme","8":"niveau-cycle-4","9":"niveau-lycee","10":"type_situation-situation-probleme","11":"theme_maths-espace-et-geometrie","12":"theme_maths-grandeurs-et-mesures","13":"czr-hentry"},"rttpg_featured_image_url":{"full":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"landscape":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"portraits":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"thumbnail":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce-150x150.png",150,150,true],"medium":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"large":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"1536x1536":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"2048x2048":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-grid-full":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-grid":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-thumb":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"slider-full":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce-206x200.png",206,200,true],"slider":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce-206x200.png",206,200,true],"tc-sq-thumb":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-ws-thumb":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-ws-small-thumb":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-slider-small":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce-206x94.png",206,94,true]},"rttpg_author":{"display_name":"St\u00e9phanie CROQUELOIS","author_link":"https:\/\/math.univ-lyon1.fr\/dream\/?author=3"},"rttpg_comment":0,"rttpg_category":"Situation Probl\u00e8me<\/a>","rttpg_excerpt":"Comment d\u00e9couper une croix grecque en 2, 3, 4\u2026 jusqu\u2019\u00e0 100 parties de m\u00eame aire\u202f? Peut-on trouver une m\u00e9thode g\u00e9n\u00e9rale pour n\u2019importe quel nombre de parts\u202f?","_links":{"self":[{"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/posts\/2627","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2627"}],"version-history":[{"count":11,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/posts\/2627\/revisions"}],"predecessor-version":[{"id":3803,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/posts\/2627\/revisions\/3803"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/media\/2629"}],"wp:attachment":[{"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2627"},{"taxonomy":"niveau","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Fniveau&post=2627"},{"taxonomy":"type_situation","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Ftype_situation&post=2627"},{"taxonomy":"theme_maths","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Ftheme_maths&post=2627"},{"taxonomy":"probleme_associe","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Fprobleme_associe&post=2627"},{"taxonomy":"type-expe","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Ftype-expe&post=2627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n\u2666 Relier les sym\u00e9tries de la figure \u00e0 la notion de multiple (partage en 4, 8, 16 par exemple).
\n\u2666 Utiliser des calculs, formules, manipulations g\u00e9om\u00e9triques pour comparer des aires.
\n\u2666 Travailler sur les notions de p\u00e9rim\u00e8tre et d’aire, de partage uniforme.
\n\u2666 Effectuer des calculs d’aire ou comparer des aires par des moyens g\u00e9om\u00e9triques.\n\t\t\t\n\t\t\t\t\t\t\tT\u00e9l\u00e9charcher le document complet\n\t\t\t<\/a>\n\n","protected":false},"excerpt":{"rendered":"
Comment d\u00e9couper une croix grecque en 2, 3, 4\u2026 jusqu\u2019\u00e0 100 parties de m\u00eame aire\u202f? Peut-on trouver une m\u00e9thode g\u00e9n\u00e9rale pour n\u2019importe quel nombre de parts\u202f?<\/p>\n","protected":false},"author":3,"featured_media":2629,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[107],"tags":[],"niveau":[113,114],"type_situation":[116],"theme_maths":[120,121],"probleme_associe":[],"type-expe":[],"class_list":{"0":"post-2627","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-situation-probleme","8":"niveau-cycle-4","9":"niveau-lycee","10":"type_situation-situation-probleme","11":"theme_maths-espace-et-geometrie","12":"theme_maths-grandeurs-et-mesures","13":"czr-hentry"},"rttpg_featured_image_url":{"full":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"landscape":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"portraits":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"thumbnail":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce-150x150.png",150,150,true],"medium":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"large":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"1536x1536":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"2048x2048":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-grid-full":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-grid":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-thumb":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"slider-full":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce-206x200.png",206,200,true],"slider":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce-206x200.png",206,200,true],"tc-sq-thumb":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-ws-thumb":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-ws-small-thumb":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce.png",206,235,false],"tc-slider-small":["https:\/\/math.univ-lyon1.fr\/dream\/wp-content\/uploads\/2023\/02\/DREAM_NR_LACROIXGRECQUE_IllustrationEnonce-206x94.png",206,94,true]},"rttpg_author":{"display_name":"St\u00e9phanie CROQUELOIS","author_link":"https:\/\/math.univ-lyon1.fr\/dream\/?author=3"},"rttpg_comment":0,"rttpg_category":"Situation Probl\u00e8me<\/a>","rttpg_excerpt":"Comment d\u00e9couper une croix grecque en 2, 3, 4\u2026 jusqu\u2019\u00e0 100 parties de m\u00eame aire\u202f? Peut-on trouver une m\u00e9thode g\u00e9n\u00e9rale pour n\u2019importe quel nombre de parts\u202f?","_links":{"self":[{"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/posts\/2627","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2627"}],"version-history":[{"count":11,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/posts\/2627\/revisions"}],"predecessor-version":[{"id":3803,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/posts\/2627\/revisions\/3803"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=\/wp\/v2\/media\/2629"}],"wp:attachment":[{"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2627"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2627"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2627"},{"taxonomy":"niveau","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Fniveau&post=2627"},{"taxonomy":"type_situation","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Ftype_situation&post=2627"},{"taxonomy":"theme_maths","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Ftheme_maths&post=2627"},{"taxonomy":"probleme_associe","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Fprobleme_associe&post=2627"},{"taxonomy":"type-expe","embeddable":true,"href":"https:\/\/math.univ-lyon1.fr\/dream\/index.php?rest_route=%2Fwp%2Fv2%2Ftype-expe&post=2627"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}