
Cálculo de Porcentagens e Descontos
Interactive Video
•
Mathematics
•
5th - 8th Grade
•
Practice Problem
•
Medium
Ethan Morris
Used 1+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que significa a expressão 'por cento'?
Por cada mil
Por cada cem
Por cada milhar
Por cada dez
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como se representa 80% em forma decimal?
8,0
0,08
0,8
80,0
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quantas meninas há em uma escola com 320 alunos, se 60% são meninas?
200
128
160
192
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a fração simplificada de 60%?
2/3
6/10
3/5
1/2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual foi o valor do desconto em um tênis que custava R$85 e passou a custar R$68?
R$20
R$18
R$17
R$15
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é a porcentagem de desconto se um produto de R$85 foi vendido por R$68?
30%
25%
20%
15%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o novo preço de uma camiseta que custava R$40 após um acréscimo de 5%?
R$42
R$40,50
R$41
R$43
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