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Adição e subtração de inteiros 2

Authored by Meijisan Meijisan

Mathematics

7th Grade

Used 15+ times

Adição e subtração de inteiros 2
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

 4+51=?-4+5-1=?  

-2

-1

0

1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 2030+607020-30+60-70  

-20

-10

+20

+10

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 +(3)(5)=?+\left(-3\right)-\left(-5\right)=?  

-8

+8

-2

+2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 (+30)+(50)=?-\left(+30\right)+\left(-50\right)=?  

-80

+80

-20

+20

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A temperatura estava 8-8 °C e aumentou 5 °C. Pra quanto foi?

-3 °C

+3 °C

-13 °C

+13 °C

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A temperatura estava +4+4 °C e diminuiu 10 °C. Pra quanto foi?

-14 °C

+14 °C

-6 °C

+6 °C

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A temperatura aumentou 7° C e foi para -2 °C. Qual era a temperatura antes desse aumento?

-9 °C

-5 °C

+5° C

+9 °C

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