Tema 5. Proporcionalitat i percentatges
Quiz
•
Mathematics
•
9th Grade
•
Practice Problem
•
Medium
Manolo SÁNCHEZ MATEMÁTICAS
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21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
La raó de 4 i 5 és:
4,5
5,4
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
4
7
x=49
50
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Completa la proporció següent:
16,32,48,160
16,24,32,40
16,17,18,19
16,32,64,128
4.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Indica totes les magnituds que són directament proporcionals:
altura i edat
quilos de fruita i preu
distància recorreguda i temps
velocitat 'un vehicle i temps en fer un trajecte
cabal d'una aixeta i temps en omplir una banyera
5.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Indica totes les magnituds que són inversament proporcionals:
altura i edat
quilos de fruita i preu
distància recorreguda i temps
velocitat 'un vehicle i temps en fer un trajecte
cabal d'una aixeta i temps en omplir una banyera
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Un arbre que té una alçària d’1,25 metres projecta una ombra de 80 cm de longitud. Quina és l’alçària d’una torre que, a aquella mateixa hora, projecta una ombra de 40 metres?
625 m
62.5 m
6,25 m
0,65 m
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Dotze obrers han aixecat una paret en 6 dies. Quant tardaran a fer-ho divuit obrers?
3 dies
2 dies
6 dies
4 dies
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