Missing subtraction facts worksheet for practicing basic math skills up to 12.

Let's solve each of the subtraction problems on "Missing Subtraction Facts to 12 Sheet 1" step by step. The goal is to fill in the blanks so that each equation is correct.

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Problems and Solutions:

#### Left Column (1–10):

1) 7 - ___ = 5
→ 7 - 5 = 2 → Answer: 2

2) 6 - ___ = 5
→ 6 - 5 = 1 → Answer: 1

3) 5 - ___ = 2
→ 5 - 2 = 3 → Answer: 3

4) 10 - ___ = 9
→ 10 - 9 = 1 → Answer: 1

5) 8 - ___ = 6
→ 8 - 6 = 2 → Answer: 2

6) ___ - 1 = 5
→ 5 + 1 = 6 → Answer: 6

7) ___ - 2 = 2
→ 2 + 2 = 4 → Answer: 4

8) ___ - 1 = 7
→ 7 + 1 = 8 → Answer: 8

9) ___ - 3 = 3
→ 3 + 3 = 6 → Answer: 6

10) ___ - 2 = 8
→ 8 + 2 = 10 → Answer: 10

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#### Right Column (11–20):

11) 7 - ___ = 6
→ 7 - 6 = 1 → Answer: 1

12) ___ - 2 = 3
→ 3 + 2 = 5 → Answer: 5

13) 8 - 6 = ___
→ 8 - 6 = 2 → Answer: 2

14) 10 - 4 = ___
→ 10 - 4 = 6 → Answer: 6

15) 8 - ___ = 5
→ 8 - 5 = 3 → Answer: 3

16) ___ - 4 = 1
→ 1 + 4 = 5 → Answer: 5

17) ___ - 3 = 4
→ 4 + 3 = 7 → Answer: 7

18) 10 - ___ = 5
→ 10 - 5 = 5 → Answer: 5

19) 7 - ___ = 2
→ 7 - 2 = 5 → Answer: 5

20) 12 - 9 = ___
→ 12 - 9 = 3 → Answer: 3

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✔ Final Answers:

| Problem | Answer |
|--------|--------|
| 1) | 2 |
| 2) | 1 |
| 3) | 3 |
| 4) | 1 |
| 5) | 2 |
| 6) | 6 |
| 7) | 4 |
| 8) | 8 |
| 9) | 6 |
| 10) | 10 |
| 11) | 1 |
| 12) | 5 |
| 13) | 2 |
| 14) | 6 |
| 15) | 3 |
| 16) | 5 |
| 17) | 7 |
| 18) | 5 |
| 19) | 5 |
| 20) | 3 |

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🔍 Tips for Checking:

- Use addition to check subtraction:
For example, if you have 7 - ___ = 5, then check: 5 + ___ = 7 → 5 + 2 = 7 ✔️
- Always double-check your answers with addition or by re-subtracting.

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✔ All answers are within 1–12, as expected. You can now fill them in the worksheet!