Quiz — 6532ac4bdd708_Enoncé-Devoir de contrôle N°1.pdf

Question 1 sur 10 20:00

[{"id":15749,"question":"Quel est le résultat de l'opération suivante : 125 × 8 ?","option_a":"1000","option_b":"100","option_c":"1200","option_d":"117","option_e":"","option_f":"","bonne_reponse":"a","explication":"125 × 8 = 1000. Cette multiplication est une application directe des tables de multiplication.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"1000\", \"b\": \"100\", \"c\": \"1200\", \"d\": \"117\"}}","_debug_options_count":4},{"id":15750,"question":"La fraction 18\/24 simplifiée est égale à :","option_a":"3\/4","option_b":"9\/12","option_c":"2\/3","option_d":"6\/8","option_e":"","option_f":"","bonne_reponse":"a","explication":"18\/24 = (18÷6)\/(24÷6) = 3\/4. On divise le numérateur et le dénominateur par leur PGCD (6).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"3\/4\", \"b\": \"9\/12\", \"c\": \"2\/3\", \"d\": \"6\/8\"}}","_debug_options_count":4},{"id":15751,"question":"Le périmètre d'un carré de côté 5 cm est de :","option_a":"20 cm","option_b":"25 cm","option_c":"15 cm","option_d":"10 cm","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le périmètre d'un carré = 4 × côté = 4 × 5 = 20 cm.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"20 cm\", \"b\": \"25 cm\", \"c\": \"15 cm\", \"d\": \"10 cm\"}}","_debug_options_count":4},{"id":15752,"question":"Vrai ou Faux : 3\/5 est supérieur à 2\/3.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"3\/5 = 0,6 et 2\/3 ≈ 0,666. 0,6 \u003C 0,666, donc 3\/5 n'est pas supérieur à 2\/3.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":15753,"question":"Quel est le résultat de 72 ÷ 8 ?","option_a":"9","option_b":"8","option_c":"6","option_d":"7","option_e":"","option_f":"","bonne_reponse":"a","explication":"72 ÷ 8 = 9. C'est une division simple à connaître par cœur.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"9\", \"b\": \"8\", \"c\": \"6\", \"d\": \"7\"}}","_debug_options_count":4},{"id":15754,"question":"L'aire d'un rectangle de longueur 6 cm et de largeur 4 cm est de :","option_a":"24 cm²","option_b":"20 cm²","option_c":"10 cm²","option_d":"16 cm²","option_e":"","option_f":"","bonne_reponse":"a","explication":"L'aire d'un rectangle = longueur × largeur = 6 × 4 = 24 cm².","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"24 cm²\", \"b\": \"20 cm²\", \"c\": \"10 cm²\", \"d\": \"16 cm²\"}}","_debug_options_count":4},{"id":15755,"question":"Vrai ou Faux : 5\/8 + 1\/8 = 6\/8.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"5\/8 + 1\/8 = (5+1)\/8 = 6\/8. Les dénominateurs sont identiques, donc on additionne les numérateurs.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4},{"id":15756,"question":"Quel est le résultat de l'opération suivante : 100 - 47 ?","option_a":"53","option_b":"43","option_c":"63","option_d":"57","option_e":"","option_f":"","bonne_reponse":"a","explication":"100 - 47 = 53. Une soustraction à maîtriser pour les calculs mentaux.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"53\", \"b\": \"43\", \"c\": \"63\", \"d\": \"57\"}}","_debug_options_count":4},{"id":15757,"question":"La fraction 7\/14 est égale à :","option_a":"1\/2","option_b":"2\/7","option_c":"7\/14","option_d":"14\/7","option_e":"","option_f":"","bonne_reponse":"a","explication":"7\/14 = (7÷7)\/(14÷7) = 1\/2. On simplifie en divisant par le PGCD (7).","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"1\/2\", \"b\": \"2\/7\", \"c\": \"7\/14\", \"d\": \"14\/7\"}}","_debug_options_count":4},{"id":15758,"question":"Vrai ou Faux : Le périmètre d'un triangle équilatéral de côté 3 cm est de 9 cm.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le périmètre d'un triangle équilatéral = 3 × côté = 3 × 3 = 9 cm. L'affirmation est donc vraie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"Vrai\", \"b\": \"Faux\", \"c\": \"\", \"d\": \"\"}}","_debug_options_count":4}]