Negative numbers in context (temperature, finance)

What you'll learn

1. 1

   Imagine a thermometer on a freezing winter day. The red line goes below 0 — that's a negative number!

2. 2

   The temperature is -5°C. Is that warmer or colder than 0°C?

3. 3

   Drag the thermometer to show -8°C.

4. 4

   The temperature is 3°C. It drops by 7 degrees. What's the new temperature?

5. 5

   Start at 2°C. Drop 6 degrees. Where do you land?

6. 6

   Show -3°C on the thermometer.

7. 7

   You have £10. You spend £15. How much money do you have now?