Quiz Maths 7ème : Testez vos connaissances en arithmétique et géométrie !

Question 1 sur 10 10:00

[{"id":13203,"question":"Quel est le résultat de l'opération 15 × 3 + 7 ?","option_a":"52","option_b":"45","option_c":"50","option_d":"62","option_e":"","option_f":"","bonne_reponse":"A","explication":"L'ordre des opérations (multiplication avant addition) donne : 15 × 3 = 45, puis 45 + 7 = 52.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":13204,"question":"Un angle de 90° est appelé un angle droit.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Un angle de 90° est bien défini comme un angle droit en géométrie.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":13205,"question":"Quel est le périmètre d'un carré de côté 5 cm ?","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 se calcule par 4 × côté, soit 4 × 5 = 20 cm.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":13206,"question":"50% de 80 est égal à 40.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"50% correspond à la moitié, donc 80 ÷ 2 = 40.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":13207,"question":"Quelle est la solution de l'équation x + 8 = 15 ?","option_a":"x = 7","option_b":"x = 23","option_c":"x = 5","option_d":"x = 8","option_e":"","option_f":"","bonne_reponse":"A","explication":"Pour résoudre x + 8 = 15, on soustrait 8 des deux côtés : x = 15 - 8 = 7.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":13208,"question":"Un triangle isocèle a toujours deux angles égaux.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"Par définition, un triangle isocèle a deux côtés égaux et donc deux angles égaux.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":13209,"question":"Quel est le résultat de 3 × (4 + 2) ?","option_a":"18","option_b":"14","option_c":"24","option_d":"9","option_e":"","option_f":"","bonne_reponse":"A","explication":"Les parenthèses indiquent de calculer d'abord 4 + 2 = 6, puis 3 × 6 = 18.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":13210,"question":"Un nombre premier est divisible uniquement par 1 et par lui-même.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"C'est la définition même d'un nombre premier en mathématiques.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":13211,"question":"Quelle est l'aire d'un rectangle de longueur 6 cm et de largeur 4 cm ?","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 se calcule par longueur × largeur, soit 6 × 4 = 24 cm².","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0},{"id":13212,"question":"La somme des angles d'un triangle est toujours égale à 180°.","option_a":"Vrai","option_b":"Faux","option_c":"","option_d":"","option_e":"","option_f":"","bonne_reponse":"A","explication":"C'est une propriété fondamentale de la géométrie plane pour tout triangle.","points":1,"type":"qcm","actif":1,"section_id":null,"ordre":0}]