MathematicsFreePrintable

Finding the Missing Number

A free mathematics worksheet ready for your classroom. Open in Kuraplan to grab the print-ready PDF, customize it for your students, or generate a fresh version in seconds.

Finding the Missing Number worksheet preview

Finding the Missing Number

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📚 Part 1: Multiple Choice (Choose the missing number)

1. 15 − ____ = 9. What is the missing number?

5

6

7

8

2. 12 − x = 7. What is x?

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4

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6

3. 20 − ____ = 13. What number goes in the blank?

6

7

8

9

4. 9 − x = 4. Find x.

3

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6

✏️ Part 2: Short Answers (Show your thinking)

5. You had 18 stickers. After giving some away you have 11 left. Write an equation and find how many stickers you gave away.
6. A classroom had 32 markers. ____ were taken home and 24 remain. Write the subtraction equation and solve for the missing number.
7. Solve 13 − x = 6. Show how you can check your answer using addition (one sentence).
8. Exit slip: 11 − x = 3. What is x? Briefly explain the strategy you used (one or two words is fine).

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