
Revisão Matemática
Authored by MOHARA GONCALVES
Mathematics
7th Grade
Used 1+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Os números racionais: multiplicação na forma decimal I
Sabemos que para calcular o quadrado de um número fazemos a multiplicação desse número por ele mesmo. Diante disso, calcule o quadrado de 1,41.
1,9881
19,881
198,81
1988,1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os números racionais: multiplicação na forma decimal II
Calcule o produto de 2,5 e 3,2.
8,0
7,5
8,5
8,2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os números racionais: multiplicação na forma decimal III
Qual é o resultado de 0,75 multiplicado por 0,4?
0,30
0,28
0,32
0,35
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Os números racionais: multiplicação na forma decimal IV
Encontre o produto de 1,2 e 1,5.
1,80
1,75
1,85
1,90
5.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
A pedido da professora de Arte, a direção de uma escola comprou 15 potes de tinta guache de mesmo preço, pelos quais pagou R $22,50. Qual é o preço de cada um desses potes de tinta?
R$1,05.
R$1,50.
R$0,50.
R$150,00
6.
MULTIPLE CHOICE QUESTION
10 mins • 1 pt
Observe a operação indicada no quadro
0,7^2
O resultado dessa operação
0,49
0,049
49
4,9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule o produto de 0,6 e 0,9.
0,54
0,56
0,58
0,60
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