
Adição e subtração
Authored by Paulino Spínola
Mathematics
7th Grade
Used 19+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 5 pts
Qual das seguintes somas tem sinal positivo?
-4+3
-70+3000
-200+(-500)
-25+25
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Qual é o valor da soma - 24 + 17 ?
-41
-24
-7
7
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
O seguinte cálculo está correto?
- 12 + 21 = 9
SIM
NÃO
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
Observa às temperaturas assinaladas no mapa.
A cidade que tem a temperatura com maior valor absoluto é?
Lisboa
Madrid
Paris
Moscovo
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Seleciona a afirmação correta:
Se devo 7 e devo 2, então devo 5.
Se tenho 7 e devo 2, então tenho 5.
Se tenho 7 e devo 7, então tenho 14.
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A soma de dois números inteiros é igual a 0 se:
Os números têm sinais contrários.
Os números têm sinais diferentes.
Se os números são simétricos.
Se os números são negativos.
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
No início de uma experiência a temperatura registada de uma substância era de -5ºC. No final da experiência a temperatura subiu 17ºC.
Qual era a temperatura da substância no final da experiência?
17ºC
12ºC
-17ºC
-12ºC
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