Entraînement proportionnalité
Authored by lucie brulé
Mathematics
7th Grade
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Proportionnel ou non?
à 10 ans, Paul chausse du 38. Quelle pointure fera-t-il à 30 ans?
Oui
Non
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Proportionnel ou non?
La vitesse d'une voiture et le nombre de passagers.
Oui
Non
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Proportionnel ou non?
Marion hésite entre plusieurs bijoux en bronze (un alliage d'étain et de cuivre), qui contiennent (en masse) 85 % de cuivre.
La masse de cuivre que contient un bijou est-elle proportionnelle à la masse de ce bijou ?
Oui
Non
Answer explanation
Si mon bijou pèse 100g celui-ci contient 85g de cuivre.
Si mon bijou pèse 200g (2x 100g) alors il contient 2x85g soit 170g de cuivre
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Proportionnel ou non?
Oui
Non
Answer explanation
Si je parcours 2 fois plus de kilomètre je consomme 2 fois plus d'essence.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Proportionnel ou non?
Oui
Non
Answer explanation
On arrête de grandir un jour mais on continue de vieillir.
6.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Calcule le coefficient de proportionnalité
Answer explanation
10 : 5 = 2
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Calcule le coefficient de proportionnalité
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