Porcentagem de Matemática
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
DAIANE IANQUES
Used 2+ times
FREE Resource
1 Slide • 6 Questions
1
📌 O que é porcentagem?
Porcentagem significa “parte de 100”.
Exemplo: 25% = 25 de cada 100.
Em número decimal: 25% = 25 ÷ 100 = 0,25.
By DAIANE IANQUES
2
Multiple Choice
1) Qual é 25% de 200?
a) 25
b) 70%
c) 80%
c) 50
3
Multiple Choice
2) Um aluno acertou 36 de 45 questões em uma prova. Qual foi o aproveitamento em %?
a) 60%
b) 80%
4
Multiple Choice
3) Um produto custa R$ 480,00 e sofreu um desconto de 20%. Qual o novo preço?
a) R$ 384,00
b) R$ 400,00
5
Multiple Choice
4) O salário de João era R$ 2.000,00 e aumentou 12%. Qual é o novo salário?
a) R$ 2.120,00
b) R$ 2.200,00
6
Multiple Choice
5) Maria comprou uma blusa por R$ 80,00 e vendeu por R$ 100,00. Qual foi o lucro percentual?
a) 15%
c) 25%
7
Multiple Choice
6) Em uma sala com 40 alunos, 30 são meninas. Qual a porcentagem de meninas?
a) 65%
b) 70%
📌 O que é porcentagem?
Porcentagem significa “parte de 100”.
Exemplo: 25% = 25 de cada 100.
Em número decimal: 25% = 25 ÷ 100 = 0,25.
By DAIANE IANQUES
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