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Inverse Operations Worksheet
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Name:Date:
Inverse Operations Worksheet
Use addition and subtraction to check your work. Show your thinking where asked.
Choose the best answer
1.What number makes 26 + □ = 61 true?
- 25
- 35
- 37
- 87
2.Which number belongs in □ − 27 = 46?
- 19
- 63
- 73
- 83
3.Ruben has $50 and buys a book for $18. Which calculation finds how much money she has left?
- 50 + 18
- 50 − 18
- 18 − 50
- 50 × 18
4.Which addition equation checks 84 − 39 = 45?
- 45 + 39 = 84
- 84 + 39 = 123
- 39 + 45 = 74
- 45 + 84 = 129
Work it out and check
5.Use subtraction to solve x + 246 = 700. Show your working and check your answer with addition.
6.Complete the inverse check: 74 + 58 = .
7.A walking track is 7.6 km long. Maia walks 2.85 km in the morning and the rest in the afternoon. How far does she walk in the afternoon? Write an addition equation to check your answer.
8.Find the missing number in 305 − □ = 178. Show how the inverse operation helps you find it.
9.Use the number line to show 14 + 9 as a jump from 14. What number do you land on?
10.Explain in one sentence how subtraction can be used to check an addition answer.
Match each equation to its inverse
Write the matching letter beside each equation.
11.Match each equation on the left with its inverse equation on the right.
- A. 28 + 35 = 63
- B. 96 − 41 = 55
- C. 420 + 180 = 600
- D. 250 − 75 = 175
- E. 1,025 + 275 = 1,300
- F. 730 − 290 = 440
- 6. 440 + 290 = 730
- 4. 175 + 75 = 250
- 2. 63 − 35 = 28
- 1. 55 + 41 = 96
- 3. 600 − 180 = 420
- 5. 1,300 − 275 = 1,025
3 printable pages
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