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Worksheet: Adding Opposites

Q1:

Fill in the blank in 4 + ( 2 ) = .

Q2:

Fill in the blank in 2 + ( 5 ) = .

Q3:

Fill in the blank in 9 + ( 1 0 ) = .

Q4:

Find the value of [ 5 + ( 2 6 ) ] .

Q5:

Find the value of [ 3 + ( 8 ) ] .

Q6:

Find the value of [ 2 0 + ( 3 2 ) ] .

Q7:

The current temperature in a town is 5 F . An hour later, it dropped by 1 0 , and 2 hours later, it rose by 7 . Write an expression to describe this situation, and then solve it to find the final temperature.

  • A 5 + ( 1 0 ) + ( 7 ) , 2 2 F
  • B 5 + 1 0 + 7 , 1 2 F
  • C 5 + 1 0 + ( 7 ) , 2 F
  • D 5 + ( 1 0 ) + 7 , 8 F
  • E 5 + ( 1 0 ) + 7 , 2 2 F

Q8:

Given that 𝑎 = 1 2 and 𝑏 = 4 , find the value of 𝑎 + 𝑏 .

Q9:

Given that 𝑎 = 1 3 and 𝑏 = 8 , find the value of 𝑎 + 𝑏 .