
Porcentagem e Razões em Matemática
Interactive Video
•
Mathematics, Biology
•
5th - 8th Grade
•
Hard

Ethan Morris
FREE Resource
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a condição necessária para que uma razão A sobre B seja escrita na forma percentual?
A deve ser igual a 100
B deve ser igual a 100
A e B devem ser iguais
A deve ser maior que B
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como podemos simplificar a razão 7000 para 20000 antes de convertê-la em porcentagem?
Adicionando 1000 a ambos
Subtraindo 1000 de ambos
Dividindo ambos por 1000
Multiplicando ambos por 10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o resultado da multiplicação de 7 por 5 ao converter a razão 7 para 20 em porcentagem?
40
35
30
25
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a primeira etapa ao usar o método alternativo de divisão para converter uma razão em porcentagem?
Multiplicar o numerador por 100
Dividir o numerador pelo denominador
Multiplicar o denominador por 100
Subtrair o denominador do numerador
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a porcentagem de aproveitamento de Fernando em língua portuguesa?
85%
90%
80%
75%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas questões Fernando acertou em matemática?
15
30
20
25
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a porcentagem de aproveitamento de Fernando em física?
60%
50%
80%
70%
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