Quiz Maths 7ème : Opérations et Logique

Question 1 sur 10 10:00

[{"id":12568,"question":"Quel est le résultat de l'opération : 456 + 789 ?","option_a":"1245","option_b":"1145","option_c":"1345","option_d":"1255","option_e":"","option_f":"","bonne_reponse":"A","explication":"L'addition de 456 et 789 donne 1245. Vérifiez en posant l'opération colonne par colonne.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":12569,"question":"La soustraction 1000 - 457 est égale à 543.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Le résultat exact est 543. La soustraction est correcte.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":12570,"question":"Quel est le produit de 25 × 12 ?","option_a":"300","option_b":"250","option_c":"310","option_d":"275","option_e":"","option_f":"","bonne_reponse":"A","explication":"25 multiplié par 12 donne 300. Utilisez la méthode de décomposition : 25 × 10 + 25 × 2.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":12571,"question":"Le périmètre d'un carré de côté 8 cm est de 32 cm.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Le périmètre se calcule par 4 × côté. Ici, 4 × 8 = 32 cm, donc c'est vrai.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":12572,"question":"Quelle est la valeur de 56 ÷ 8 ?","option_a":"7","option_b":"8","option_c":"6","option_d":"9","option_e":"","option_f":"","bonne_reponse":"A","explication":"56 divisé par 8 donne 7. Vérifiez en multipliant 7 par 8.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":12573,"question":"Convertissez 3,5 kilomètres en mètres.","option_a":"3500 m","option_b":"350 m","option_c":"35 m","option_d":"35000 m","option_e":"","option_f":"","bonne_reponse":"A","explication":"1 km = 1000 m, donc 3,5 km = 3,5 × 1000 = 3500 m.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":12574,"question":"L'aire d'un rectangle de longueur 10 cm et de largeur 5 cm est de 50 cm².","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"L'aire se calcule par longueur × largeur. Ici, 10 × 5 = 50 cm², donc c'est vrai.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":12575,"question":"Quel est le résultat de 1234 - 567 ?","option_a":"667","option_b":"677","option_c":"657","option_d":"687","option_e":"","option_f":"","bonne_reponse":"A","explication":"La soustraction donne 667. Posez l'opération pour vérifier.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":12576,"question":"Le nombre 1024 est divisible par 4.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Un nombre est divisible par 4 si ses deux derniers chiffres forment un nombre divisible par 4. Ici, 24 ÷ 4 = 6, donc c'est vrai.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":12577,"question":"Calculez 15 % de 200.","option_a":"30","option_b":"25","option_c":"35","option_d":"40","option_e":"","option_f":"","bonne_reponse":"A","explication":"15 % de 200 = (15\/100) × 200 = 30. Multipliez 200 par 0,15.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0}]