
Truques de Porcentagem e Cálculos
Interactive Video
•
Mathematics
•
5th - 8th Grade
•
Hard
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a principal condição para aplicar o truque de porcentagem apresentado?
A porcentagem deve ser um número primo.
A porcentagem e o número devem terminar em zero.
O número deve ser maior que 100.
A porcentagem deve ser menor que 50.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a primeira etapa ao usar o truque de porcentagem?
Adicionar zeros ao número.
Multiplicar diretamente os números.
Ignorar os zeros.
Dividir o número por 10.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se calcula 20% de 60 usando o truque apresentado?
Somando 20 a 60.
Multiplicando 2 por 6.
Dividindo 60 por 20.
Multiplicando 20 por 60.
Tags
CCSS.5.NBT.B.7
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de 20% de 60 sem usar o truque?
12
15
20
18
Tags
CCSS.5.NBT.B.7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de 30% de 70 usando o truque?
15
25
21
30
Tags
CCSS.5.NBT.B.7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a outra maneira de calcular 50% de 130 além do truque?
Subtraindo 30
Somando 50
Dividindo por 2
Multiplicando por 3
Tags
CCSS.4.NF.B.4B
CCSS.4.NF.B.4C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado de 50% de 130 usando o truque?
60
65
70
75
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