
TESTE DE INTEIROS
Quiz
•
Mathematics
•
9th Grade
•
Hard
EDMAR MORADOR
Used 1+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Em um campeonato de futebol, o time do Curitiba marcou 20 gols e sofreu 32 gols. Qual o saldo de gols deste time?
0
3
52
- 12
Answer explanation
The correct answer is -12 because the goal difference is calculated by subtracting the goals conceded from the goals scored, which is 20 - 32 = -12.
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Números inteiros são um conjunto de números infinitos formados por:
Números decimais.
Números inteiros positivos, números inteiros negativos e zero.
Números negativos.
Números inteiros positivos e números inteiros negativos.
Answer explanation
Integers are a set of infinite numbers formed by positive integers, negative integers, and zero, so the correct choice is 'Números inteiros positivos, números inteiros negativos e zero.'
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Na adição de números inteiros valem as seguintes regras:
Sinais diferentes diminuímos e conservamos sinal do maior
Sinais iguais diminuímos e conservamos sinal do maior
Sinais diferentes somamos e repetimos o sinal
Sinais iguais soma os números e repetimos o sinal
Answer explanation
In adding integers with the same sign, we sum the numbers and repeat the sign, which matches the correct answer choice.
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A eliminação dos parênteses – (+3 – 5 + 7), esta correta alternativa:
–3 +5 – 7
–3 +5 + 7
+3 –5 – 7
+3 +5 +7
Answer explanation
The correct choice is -3 +5 - 7, as the elimination of parentheses results in the given expression.
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A eliminação dos parênteses + (+6 -1), esta correta alternativa:
-6 +1
-6 -1
+6 -1
+6 +1
Answer explanation
The correct alternative is +6 -1 because when we eliminate the parentheses, the positive sign remains for the +6 and the negative sign remains for the -1.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Observe temperatura das cidades abaixo:
Jaboatão dos Guararapes: + 29 graus.
Florianópolis: + 20 graus.
Nova York: -35 graus.
Qual a cidade com a menor temperatura?
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Qual o oposto de -13?
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