Question

12. The temperature was –3° C last night. It is now 4° C. What was the
change in temperature?

Answer 1

`7^\circ\text{C}`

Explanation:

Calculate second temperature minus the first one.

4 - (-3) = 4 + 3 = 7

Answer 2

7

Explanation:

-3 + 3 = 0

0 + 4 = 4

4 + 3 = 7