Grade 5 Math: Addition and Inverse Operations
Reinforce understanding of addition and its inverse operation, subtraction, with this Grade 5 math worksheet.
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Grade 5 Math: Addition and Inverse Operations
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Read each question carefully and answer to the best of your ability. Show your work for full credit.
1. Addition and subtraction are operations.
2. If you add 15 to a number, you can reverse the operation by 15 from the sum.
3. The inverse operation of 25 + 10 = 35 is .
4. Explain how you can use an inverse operation to check your answer to an addition problem.
5. Which of the following shows the inverse operation of 45 + 23 = 68?
68 + 23 = 91
68 - 23 = 45
45 - 23 = 22
23 + 45 = 68
6. Solve the addition problem. Then, use the inverse operation to check your answer.
345 + 187 = ?
Solution:
Check using inverse operation:
7. The equation 75 - 25 = 50 is the inverse operation of 50 + 25 = 75.
True
False
8. Sarah had 125 stickers. Her friend gave her 78 more stickers. How many stickers does Sarah have now? Write an addition sentence and then use an inverse operation to check your answer.
Addition Sentence:
Check using inverse operation:
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