1ºQuiz_8ºAno_23_24

Quiz
•
Mathematics
•
8th Grade
•
Hard

Cristina Santos
Used 12+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
O círculo central de um campo de futebol tem 9,15 m de raio. O perímetro do círculo central, em metros, arredondado às centésimas é:
28,75 m
28,74 m
57,49 m
57,50 m
2.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Qual dos seguintes números pertence a ℚ mas não a ℤ?
-3
0
3.
MULTIPLE CHOICE QUESTION
5 mins • 10 pts
Qual das seguintes opções apresenta apenas relações verdadeiras?
ℤ ⊂ ℕ e ℤ ⊂ ℚ
-5 ∉ ℕ e 0 ∉ ℚ
4.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Qual das seguintes frações representa uma dízima infinita periódica?
5.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Qual das seguintes dízimas não representa um número racional?
0,101100111000...
2,012301230...
3,0001
1,2323...
6.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Qual dos números racionais pode ser representado por 2,(3)?
7.
MULTIPLE CHOICE QUESTION
2 mins • 10 pts
Assinala o número que é maior do que 3,44 e menor do que 3,45 .
3,4
3,5
3,4406
3,4507
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