{"schema_version":3,"id":"home-frac-002","url":"/questions/home-frac-002/","theme":"fractions","parcours":"commun|spe|ens_sci|techno","niveau":1,"type":"qcm","consigne":"Calcule la fraction de la quantité donnée.","amorce":"\\(\\frac{1}{4}\\text{ de }20 = ?\\)","choices":["5","4","10","80"],"reponse":"5","correction":{"repere":"Le dénominateur 4 indique le nombre de parts égales du total 20.","agis":"Divise 20 par 4 pour calculer une part.","pourquoi":"Une part vaut 20 ÷ 4 = 5, donc \\(\\frac{1}{4}\\text{ de }20\\text{ vaut }5\\).","verification":"Multiplie la part trouvée par 4 : 5 × 4 = 20, le total de départ."},"empreinte":"fd5e5f05e2c175ec14c233f230f6d9fc8ac21eabf4a1f3b191768d673a73ea50","canonical_url":"https://unpointdeplus.com/questions/home-frac-002/","memberships":[{"set_id":"fractions-quantites","titre":"Fractions : de la part au total","etape":"Partager en quatre","position":2,"total":12,"set_url":"https://unpointdeplus.com/sets/fractions-quantites/","url":"https://unpointdeplus.com/questions/home-frac-002/"}],"navigation":{"set_id":"fractions-quantites","titre":"Fractions : de la part au total","position":2,"total":12,"revision":"1-46d6396235c5fb9155e1afe9-nav-4f53cda18c2baa0c","up":{"kind":"set","id":"fractions-quantites","label":"Présentation du set","url":"https://unpointdeplus.com/sets/fractions-quantites/"},"previous":{"kind":"question","id":"home-frac-001","label":"← Question précédente","url":"https://unpointdeplus.com/questions/home-frac-001/"},"next":{"kind":"question","id":"home-frac-003","label":"Question suivante →","url":"https://unpointdeplus.com/questions/home-frac-003/"}}}