Question

The temperature is-2°C. if the temperature reses by 15°C, what is the new temperature?

Answer 1

Answer: 13°C

Step-by-step explanation:

Draw a vertical number line (see below). Mark -2 on it. Then move up 2 units to arrive at 0. Move up the remaining 13 units to arrive at 13

This shows that -2+15 = 13