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Inverse Operations Practice
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Name:Date:
Inverse Operations Practice
Use addition and subtraction as inverse operations to find missing numbers and check calculations. Show your working where asked.
Choose the missing number
1.16 + □ = 29. What number belongs in the box?
- 11
- 12
- 13
- 14
2.□ − 17 = 26. Find the missing number.
- 41
- 42
- 43
- 44
3.35 − □ = 19. What number is missing?
- 14
- 15
- 16
- 17
4.□ + 28 = 63. Find the missing number.
- 33
- 34
- 35
- 36
5.48 + □ = 76. What number completes the equation?
- 26
- 27
- 28
- 29
6.□ − 24 = 39. Find the value of the box.
- 61
- 62
- 63
- 64
Work it out and check
7.Find the missing number in 36 + □ = 81. Show how subtraction helps you solve it.
8.Solve □ − 28 = 47. Write the inverse calculation you use.
9.Calculate 84 − 37. Then use an addition equation to check your answer.
10.Tui has 46 trading cards and receives some more. She then has 73 cards. How many cards did she receive? Write an equation and solve it.
11.Write the subtraction equation that reverses 38 + 25 = 63.
12.True or false: If 34 + 29 = 63, then 63 − 34 = 29.
TrueFalse
13.True or false: If 72 − 18 = 54, then 54 − 18 = 72.
TrueFalse
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