It is 2oC

1
It is 2oC

• The temperature drops by 3 degrees

• What temperature is it now?

-1oC
2
It is 4oC

• The temperature drops by 5 degrees

• What temperature is it now?

-1oC
3
It is -2oC
4 3 2 1 0 -1 -2 -3

• The temperature rises by 3 degrees

• What temperature is it now?

1oC
4
3 - 4
-1
This is a negative number
5
It is 10oC

• The temperature drops by 15oC
• What is the temperature now?

-5oC
6
It is 15oC

• The temperature drops by 20oC
• What is the temperature now?

-5oC
7
15 - 20
-5
8
-1510
-5
9
-1520
5
10
WELL DONE!!