
Desafios de Matemática do 8º Ano
Authored by Camila Schäfer
Mathematics
8th Grade

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24 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calcule 25% de 200.
25
50
75
100
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma cidade tem uma população de 500.000 habitantes e uma área de 250 km². Qual é a densidade demográfica?
1000 hab/km²
1500 hab/km²
2000 hab/km²
2500 hab/km²
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um carro percorre 300 km em 4 horas. Qual é a velocidade média do carro?
60 km/h
70 km/h
75 km/h
80 km/h
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 3 lápis custam R$ 6,00, quanto custarão 5 lápis?
R$ 8,00
R$ 9,00
R$ 10,00
R$ 12,00
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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