2 It is o 2C • The temperature drops by 3 degrees • What temperature is it now? -1 -2 -3 o -1 C.

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Transcript 2 It is o 2C • The temperature drops by 3 degrees • What temperature is it now? -1 -2 -3 o -1 C.

4 3 2 1 0 -1 -2 -3 It is 2 o C • The temperature drops by 3 degrees • What temperature is it now?

-1

o

C

4 3 2 1 0 -1 -2 -3 It is 4 o C • The temperature drops by 5 degrees • What temperature is it now?

-1

o

C

It is -2 o C • The temperature rises by 3 degrees • What temperature is it now?

+1

o

C

3 - 4 = -1

This is a negative number

It is 10 o C • The temperature drops by 15 o C • What is the temperature now?

-5

o

C

It is 15 o C • The temperature drops by 20 o C • What is the temperature now?

-5

o

C

15 - 20 = -5

-15+10 = -5

-15+20 = +5

WELL DONE!!