Percentagens de cabeça
Authored by António José
Mathematics
5th Grade
Used 12+ times
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10 questions
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1.
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3 mins • 1 pt
10% de 150
(a)
Answer explanation
Basta dividir 150 por 10
2.
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1 min • 1 pt
100% de 1250
(a)
Answer explanation
É o próprio número!
3.
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1 min • 1 pt
50% de 428
(a)
Answer explanation
Basta dividir 428 por 2, afinal, 50% é metade do valor.
4.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
75% de 1600
(a)
Answer explanation
75% é o triplo de 25%,
e 25% é um quarto do total, portanto basta dividir 1600 por 4 e o resultado por 3.
5.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
20% de 60
(a)
Answer explanation
Divide por 10 e multiplica por 2.
6.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
10% de (a) é 600.
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
25% de (a) é 420.
Answer explanation
Aquele número deveria ser dividido por 4 para dar 420. Então, aquele número é ....
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