Question 1

When you have the same signs you should subtract the two numbers

Accepted Answer

false

Answer

true

Question 2

When you have different signs you should subtract the two numbers

Accepted Answer

true

Answer

false

Question 3

What is the result of 7 - (-4.5)?

Accepted Answer

11.5

Answer

3.5

Answer

2.5

Answer

15

Question 4

What is the result of 12 + (-8)?

Accepted Answer

4

Answer

20

Answer

-4

Answer

0

Question 5

What is the result of 8.4 + (-3.2)?

Accepted Answer

5.2

Answer

-5.2

Answer

0.8

Answer

11.6

Question 6

What is the result of (-12) + 7?

Accepted Answer

-5

Answer

-19

Answer

19

Answer

5

Question 7

What is the result of -9 - 3.5?

Accepted Answer

-12.5

Answer

5.5

Answer

-5.5

Answer

1.5

Question 8

What is the result of 3 + (-1.5)?

Accepted Answer

1.5

Answer

-1.5

Answer

0

Answer

4.5

Question 9

A temperature in Antarctica dropped from -15°C to -30°C. How much did the temperature decrease?

Accepted Answer

15

Answer

-45

Answer

0

Question 10

John owes his friend $10. He borrowed an additional $5. How much does John owe in total?

Accepted Answer

-15

Answer

15

Answer

5

Answer

0

Question 11

A student has a balance of -$20 in their bank account. They deposit $30. What is the new balance in their account?

Accepted Answer

10

Answer

-10

Answer

50

Answer

-50

Question 12

What is the result of (-5) + (-3)?

Accepted Answer

-8

Answer

2

Answer

-2

Answer

8

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