Quiz — 63ea73f615774_dc1.pdf

Question 1 sur 10 20:00

[{"id":10683,"question":"Quelle est la somme de 3\/4 et 1\/4 ?","option_a":"1","option_b":"4\/4","option_c":"3\/8","option_d":"2\/4","option_e":"","option_f":"","bonne_reponse":"b","explication":"3\/4 + 1\/4 = 4\/4 = 1. Les dénominateurs sont identiques, on additionne simplement les numérateurs.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"1\", \"b\": \"4\/4\", \"c\": \"3\/8\", \"d\": \"2\/4\"}}","_debug_options_count":4},{"id":10685,"question":"Le nombre 0,75 est égal à la fraction :","option_a":"3\/4","option_b":"7\/10","option_c":"75\/1000","option_d":"1\/2","option_e":"","option_f":"","bonne_reponse":"a","explication":"0,75 = 75\/100 = 3\/4 après simplification par 25.","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\": \"7\/10\", \"c\": \"75\/1000\", \"d\": \"1\/2\"}}","_debug_options_count":4},{"id":10686,"question":"Vrai ou Faux : Pour multiplier deux fractions, il faut d'abord les réduire au même dénominateur.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"b","explication":"La multiplication de fractions se fait directement en multipliant les numérateurs entre eux et les dénominateurs entre eux.","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":10688,"question":"Quelle est la fraction irréductible de 18\/24 ?","option_a":"9\/12","option_b":"3\/4","option_c":"6\/8","option_d":"2\/3","option_e":"","option_f":"","bonne_reponse":"b","explication":"Le PGCD de 18 et 24 est 6. 18\/24 = (18÷6)\/(24÷6) = 3\/4.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"9\/12\", \"b\": \"3\/4\", \"c\": \"6\/8\", \"d\": \"2\/3\"}}","_debug_options_count":4},{"id":10690,"question":"Vrai ou Faux : 0,5 + 0,25 = 0,75.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"0,5 + 0,25 = 0,75 est correct. L'addition des nombres décimaux se fait comme pour les entiers.","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":10692,"question":"Quelle est la fraction correspondant à 0,2 ?","option_a":"1\/5","option_b":"2\/10","option_c":"1\/2","option_d":"2\/5","option_e":"","option_f":"","bonne_reponse":"b","explication":"0,2 = 2\/10 = 1\/5 après simplification par 2.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"1\/5\", \"b\": \"2\/10\", \"c\": \"1\/2\", \"d\": \"2\/5\"}}","_debug_options_count":4},{"id":10694,"question":"Pour résoudre un problème avec des fractions, il faut :","option_a":"Toujours convertir en décimaux","option_b":"Identifier les opérations à effectuer","option_c":"Additionner tous les nombres","option_d":"Ignorer les dénominateurs","option_e":"","option_f":"","bonne_reponse":"b","explication":"Il est essentiel d'identifier les opérations à effectuer (addition, soustraction, multiplication) et d'appliquer les règles correspondantes.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"b\", \"options\": {\"a\": \"Toujours convertir en décimaux\", \"b\": \"Identifier les opération","_debug_options_count":4},{"id":10696,"question":"Vrai ou Faux : 1\/3 + 1\/6 = 1\/2.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"a","explication":"1\/3 + 1\/6 = 2\/6 + 1\/6 = 3\/6 = 1\/2. L'égalité est correcte.","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":10698,"question":"Quelle est la fraction irréductible de 15\/35 ?","option_a":"3\/7","option_b":"5\/7","option_c":"1\/2","option_d":"15\/35","option_e":"","option_f":"","bonne_reponse":"a","explication":"Le PGCD de 15 et 35 est 5. 15\/35 = (15÷5)\/(35÷5) = 3\/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\": \"3\/7\", \"b\": \"5\/7\", \"c\": \"1\/2\", \"d\": \"15\/35\"}}","_debug_options_count":4},{"id":10700,"question":"Quel est le résultat de 0,4 × 0,25 ?","option_a":"0,1","option_b":"0,01","option_c":"0,001","option_d":"1","option_e":"","option_f":"","bonne_reponse":"a","explication":"0,4 × 0,25 = 0,1. Multiplier deux nombres décimaux revient à multiplier les entiers correspondants puis à placer la virgule.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0,"_debug_answer_data_type":"string","_debug_answer_data_preview":"{\"correct\": \"a\", \"options\": {\"a\": \"0,1\", \"b\": \"0,01\", \"c\": \"0,001\", \"d\": \"1\"}}","_debug_options_count":4}]