GB-02-04-001 · Temperature change
At 06:00 the temperature is −10°C. It rises by 22°C and then falls by 16°C. Work out the final temperature.
Directed Numbers in Context (Temperature)
Supplementary GCSE method — not covered in this booklet
Method
1) Start at initial temperature
2) Add rises (+) and subtract falls (−) step by step
Worked Example (GB-02-04-001)
1)
Use −10 + 22 − 16.
2)
-4°C
Ans =
-4°C