Negative numbers 2

• 7 + –3 =

• 5 + –6 =

• 9 + –2 =

• –4 + 6 =

• 3 + –8 =

• –7 + 9 =

• 10 + –12 =

• –5 + –3 =

• –2 + 4 =

• 8 + –10 =

• −3 − −5 =

• 4 − −7 =   

• −8 − −3 =
  

• −6 − 4 =   

• 7 − −2  =

• −9 − −9 =

• −5 − 7 =

• 10 − −8 =

• −4 − 2 =

• −7 − −1 =

Question 1:
At midnight, the temperature in Belfast was −2 °C.
At 9 am, the temperature was 5 °C.
By how many degrees did the temperature rise?
Answer: = °C

Question 2:
Mr Jones has −£50 in his bank account.
If he pays £70 into the bank, how much will he now have in his account?
Answer: = £

Question 3:
The temperature in Oslo was −6 °C in the morning.
By evening, it was 4 °C.
How many degrees warmer was it in the evening?
Answer: = °C

Question 4:
Maria owed her friend £15 (shown as −£15).
She repaid £25.
How much money does she have left after repaying the debt?
Answer: = £

Question 5:
At 10 pm, the temperature was 3 °C.
At 6 am, it was −4 °C.
By how many degrees did the temperature drop?
Answer: dropped by °C 

Question 6:
Tom’s bank balance was −£120.
He withdrew another £30.
What is his new balance?
Answer: £

Question 7:
The temperature at noon was −8 °C.
By midnight, it had fallen to −13 °C.
By how many degrees did the temperature drop?
Answer:  it dropped   °C.

Question 8:
A diver was 15 m below sea level (−15 m).
She swam up to 3 m below sea level.
How many metres did she rise?
Answer:  $m$ rise.

Question 9:
Liam’s account was £40 overdrawn (−£40).
He deposited £10.
What is his new balance?
Answer: (still overdrawn by £).

Question 10:
The temperature on Monday was −2 °C.
On Tuesday, it was −7 °C.
By how many degrees did it change?
Answer:  it dropped by °C.

• +7=10
  
  

• −2+ =4
  
  

• +(−5)=−12
  
  

• 15+ =9
  
  

• −8+=−3