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Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1) Leia com atenção cada afirmação e marque a que estiver correta:
a) | –3 | - | –2 |=1
b) | 2 | - | –2 | = 4
c) | 5 | +| –8 |=13
d) | –6 | + | 7 |=13
nenhuma esta correta
a, b, c estão corretas
b,c,d não estão corretas
todas estão corretas.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Na adição e subtração de números inteiros valem as seguintes regras:
Sinais iguais somamos e repetimos o sinal
Sinais diferentes somamos e repetimos o sinal
Sinais iguais diminuímos e conservamos sinal do maior
Sinais diferentes diminuímos e conservamos sinal do maior
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(-15) - (-15) =
-30
+30
0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determina a diferença entre e utilizando, para denominador comum, o mínimo múltiplo comum entre 12 e 18.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quem é o oposto de -7?
-7
+7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Determine o módulo de |-16|
-16
16
|+16|
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2) Leia com atenção cada afirmação e marque a que estiver correta:
a) | –3 | - | –2 |=1
b) | 2 | - | –2 | = 4
c) | 5 | +| –8 |=13
d) | –6 | + | 7 |=-13
nenhuma esta correta
a, b, c estão corretas
b,c,d não estão corretas
todas estão corretas.
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