
Desafios de Proporções e Frações
Authored by JOSEFA SILVA
Mathematics
7th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 4 lápis custam R$ 12,00, quanto custarão 7 lápis, considerando o mesmo preço unitário?
R$ 18,00
R$ 21,00
R$ 20,00
R$ 24,00
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é 25% de 320?
64
80
72
100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Observe o gráfico abaixo que mostra a quantidade de livros lidos por quatro alunos em um mês: | Aluno | Livros | |-------|--------| | Ana | 5 | | Bruno | 8 | | Carla | 6 | | Diego | 3 | Qual aluno leu mais livros?
Ana
Bruno
Carla
Diego
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual fração é maior?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 6 metros de tecido custam R$ 90,00, quanto custarão 10 metros?
R$ 120,00
R$ 130,00
R$ 150,00
R$ 160,00
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma sala com 40 alunos, 15 são meninas. Qual a porcentagem de meninas na sala?
35%
37,5%
40%
45%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 5 cadernos custam R$ 25,00, quanto custam 8 cadernos?
R$ 35,00
R$ 40,00
R$ 45,00
R$ 50,00
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