Missing Subtraction Facts to 12 Worksheet - Practice basic subtraction skills with this printable math sheet.
A worksheet titled "Missing Subtraction Facts to 12 Sheet 3" with 30 subtraction problems, featuring a space for name and date, and a small illustration of a salamander holding a math sign.
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Step-by-step solution for: Subtraction Facts Worksheets 1st Grade
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Show Answer Key & Explanations
Step-by-step solution for: Subtraction Facts Worksheets 1st Grade
To solve the missing subtraction facts, we need to determine the missing numbers in each equation. Let's go through each problem step by step.
Section 1: Problems 1 to 15
1. \( \_\_ - 7 = 1 \)
- To find the missing number, add 7 to 1: \( 1 + 7 = 8 \)
- Answer: \( 8 \)
2. \( 12 - \_\_ = 10 \)
- To find the missing number, subtract 10 from 12: \( 12 - 10 = 2 \)
- Answer: \( 2 \)
3. \( \_\_ - 4 = 5 \)
- To find the missing number, add 4 to 5: \( 5 + 4 = 9 \)
- Answer: \( 9 \)
4. \( 7 - \_\_ = 4 \)
- To find the missing number, subtract 4 from 7: \( 7 - 4 = 3 \)
- Answer: \( 3 \)
5. \( 11 - \_\_ = 5 \)
- To find the missing number, subtract 5 from 11: \( 11 - 5 = 6 \)
- Answer: \( 6 \)
6. \( \_\_ - 6 = 6 \)
- To find the missing number, add 6 to 6: \( 6 + 6 = 12 \)
- Answer: \( 12 \)
7. \( 11 - \_\_ = 7 \)
- To find the missing number, subtract 7 from 11: \( 11 - 7 = 4 \)
- Answer: \( 4 \)
8. \( 9 - \_\_ = 1 \)
- To find the missing number, subtract 1 from 9: \( 9 - 1 = 8 \)
- Answer: \( 8 \)
9. \( \_\_ - 9 = 3 \)
- To find the missing number, add 9 to 3: \( 3 + 9 = 12 \)
- Answer: \( 12 \)
10. \( 7 - \_\_ = 2 \)
- To find the missing number, subtract 2 from 7: \( 7 - 2 = 5 \)
- Answer: \( 5 \)
11. \( 9 - \_\_ = 7 \)
- To find the missing number, subtract 7 from 9: \( 9 - 7 = 2 \)
- Answer: \( 2 \)
12. \( 8 - \_\_ = 5 \)
- To find the missing number, subtract 5 from 8: \( 8 - 5 = 3 \)
- Answer: \( 3 \)
13. \( \_\_ - 6 = 2 \)
- To find the missing number, add 6 to 2: \( 2 + 6 = 8 \)
- Answer: \( 8 \)
14. \( 10 - \_\_ = 8 \)
- To find the missing number, subtract 8 from 10: \( 10 - 8 = 2 \)
- Answer: \( 2 \)
15. \( 7 - \_\_ = 0 \)
- To find the missing number, subtract 0 from 7: \( 7 - 0 = 7 \)
- Answer: \( 7 \)
Section 2: Problems 16 to 30
16. \( 11 - \_\_ = 6 \)
- To find the missing number, subtract 6 from 11: \( 11 - 6 = 5 \)
- Answer: \( 5 \)
17. \( \_\_ - 9 = 1 \)
- To find the missing number, add 9 to 1: \( 1 + 9 = 10 \)
- Answer: \( 10 \)
18. \( 10 - \_\_ = 7 \)
- To find the missing number, subtract 7 from 10: \( 10 - 7 = 3 \)
- Answer: \( 3 \)
19. \( 9 - \_\_ = 2 \)
- To find the missing number, subtract 2 from 9: \( 9 - 2 = 7 \)
- Answer: \( 7 \)
20. \( \_\_ - 3 = 7 \)
- To find the missing number, add 3 to 7: \( 7 + 3 = 10 \)
- Answer: \( 10 \)
21. \( 10 - \_\_ = 3 \)
- To find the missing number, subtract 3 from 10: \( 10 - 3 = 7 \)
- Answer: \( 7 \)
22. \( \_\_ - 7 = 4 \)
- To find the missing number, add 7 to 4: \( 4 + 7 = 11 \)
- Answer: \( 11 \)
23. \( 12 - \_\_ = 5 \)
- To find the missing number, subtract 5 from 12: \( 12 - 5 = 7 \)
- Answer: \( 7 \)
24. \( \_\_ - 2 = 7 \)
- To find the missing number, add 2 to 7: \( 7 + 2 = 9 \)
- Answer: \( 9 \)
25. \( 12 - \_\_ = 7 \)
- To find the missing number, subtract 7 from 12: \( 12 - 7 = 5 \)
- Answer: \( 5 \)
26. \( 10 - \_\_ = 8 \)
- To find the missing number, subtract 8 from 10: \( 10 - 8 = 2 \)
- Answer: \( 2 \)
27. \( \_\_ - 2 = 9 \)
- To find the missing number, add 2 to 9: \( 9 + 2 = 11 \)
- Answer: \( 11 \)
28. \( 12 - \_\_ = 3 \)
- To find the missing number, subtract 3 from 12: \( 12 - 3 = 9 \)
- Answer: \( 9 \)
29. \( 11 - \_\_ = 5 \)
- To find the missing number, subtract 5 from 11: \( 11 - 5 = 6 \)
- Answer: \( 6 \)
30. \( \_\_ - 4 = 2 \)
- To find the missing number, add 4 to 2: \( 2 + 4 = 6 \)
- Answer: \( 6 \)
Final Answers:
\[
\boxed{
\begin{array}{ll}
1) & 8 \\
2) & 2 \\
3) & 9 \\
4) & 3 \\
5) & 6 \\
6) & 12 \\
7) & 4 \\
8) & 8 \\
9) & 12 \\
10) & 5 \\
11) & 2 \\
12) & 3 \\
13) & 8 \\
14) & 2 \\
15) & 7 \\
16) & 5 \\
17) & 10 \\
18) & 3 \\
19) & 7 \\
20) & 10 \\
21) & 7 \\
22) & 11 \\
23) & 7 \\
24) & 9 \\
25) & 5 \\
26) & 2 \\
27) & 11 \\
28) & 9 \\
29) & 6 \\
30) & 6 \\
\end{array}
}
\]
Section 1: Problems 1 to 15
1. \( \_\_ - 7 = 1 \)
- To find the missing number, add 7 to 1: \( 1 + 7 = 8 \)
- Answer: \( 8 \)
2. \( 12 - \_\_ = 10 \)
- To find the missing number, subtract 10 from 12: \( 12 - 10 = 2 \)
- Answer: \( 2 \)
3. \( \_\_ - 4 = 5 \)
- To find the missing number, add 4 to 5: \( 5 + 4 = 9 \)
- Answer: \( 9 \)
4. \( 7 - \_\_ = 4 \)
- To find the missing number, subtract 4 from 7: \( 7 - 4 = 3 \)
- Answer: \( 3 \)
5. \( 11 - \_\_ = 5 \)
- To find the missing number, subtract 5 from 11: \( 11 - 5 = 6 \)
- Answer: \( 6 \)
6. \( \_\_ - 6 = 6 \)
- To find the missing number, add 6 to 6: \( 6 + 6 = 12 \)
- Answer: \( 12 \)
7. \( 11 - \_\_ = 7 \)
- To find the missing number, subtract 7 from 11: \( 11 - 7 = 4 \)
- Answer: \( 4 \)
8. \( 9 - \_\_ = 1 \)
- To find the missing number, subtract 1 from 9: \( 9 - 1 = 8 \)
- Answer: \( 8 \)
9. \( \_\_ - 9 = 3 \)
- To find the missing number, add 9 to 3: \( 3 + 9 = 12 \)
- Answer: \( 12 \)
10. \( 7 - \_\_ = 2 \)
- To find the missing number, subtract 2 from 7: \( 7 - 2 = 5 \)
- Answer: \( 5 \)
11. \( 9 - \_\_ = 7 \)
- To find the missing number, subtract 7 from 9: \( 9 - 7 = 2 \)
- Answer: \( 2 \)
12. \( 8 - \_\_ = 5 \)
- To find the missing number, subtract 5 from 8: \( 8 - 5 = 3 \)
- Answer: \( 3 \)
13. \( \_\_ - 6 = 2 \)
- To find the missing number, add 6 to 2: \( 2 + 6 = 8 \)
- Answer: \( 8 \)
14. \( 10 - \_\_ = 8 \)
- To find the missing number, subtract 8 from 10: \( 10 - 8 = 2 \)
- Answer: \( 2 \)
15. \( 7 - \_\_ = 0 \)
- To find the missing number, subtract 0 from 7: \( 7 - 0 = 7 \)
- Answer: \( 7 \)
Section 2: Problems 16 to 30
16. \( 11 - \_\_ = 6 \)
- To find the missing number, subtract 6 from 11: \( 11 - 6 = 5 \)
- Answer: \( 5 \)
17. \( \_\_ - 9 = 1 \)
- To find the missing number, add 9 to 1: \( 1 + 9 = 10 \)
- Answer: \( 10 \)
18. \( 10 - \_\_ = 7 \)
- To find the missing number, subtract 7 from 10: \( 10 - 7 = 3 \)
- Answer: \( 3 \)
19. \( 9 - \_\_ = 2 \)
- To find the missing number, subtract 2 from 9: \( 9 - 2 = 7 \)
- Answer: \( 7 \)
20. \( \_\_ - 3 = 7 \)
- To find the missing number, add 3 to 7: \( 7 + 3 = 10 \)
- Answer: \( 10 \)
21. \( 10 - \_\_ = 3 \)
- To find the missing number, subtract 3 from 10: \( 10 - 3 = 7 \)
- Answer: \( 7 \)
22. \( \_\_ - 7 = 4 \)
- To find the missing number, add 7 to 4: \( 4 + 7 = 11 \)
- Answer: \( 11 \)
23. \( 12 - \_\_ = 5 \)
- To find the missing number, subtract 5 from 12: \( 12 - 5 = 7 \)
- Answer: \( 7 \)
24. \( \_\_ - 2 = 7 \)
- To find the missing number, add 2 to 7: \( 7 + 2 = 9 \)
- Answer: \( 9 \)
25. \( 12 - \_\_ = 7 \)
- To find the missing number, subtract 7 from 12: \( 12 - 7 = 5 \)
- Answer: \( 5 \)
26. \( 10 - \_\_ = 8 \)
- To find the missing number, subtract 8 from 10: \( 10 - 8 = 2 \)
- Answer: \( 2 \)
27. \( \_\_ - 2 = 9 \)
- To find the missing number, add 2 to 9: \( 9 + 2 = 11 \)
- Answer: \( 11 \)
28. \( 12 - \_\_ = 3 \)
- To find the missing number, subtract 3 from 12: \( 12 - 3 = 9 \)
- Answer: \( 9 \)
29. \( 11 - \_\_ = 5 \)
- To find the missing number, subtract 5 from 11: \( 11 - 5 = 6 \)
- Answer: \( 6 \)
30. \( \_\_ - 4 = 2 \)
- To find the missing number, add 4 to 2: \( 2 + 4 = 6 \)
- Answer: \( 6 \)
Final Answers:
\[
\boxed{
\begin{array}{ll}
1) & 8 \\
2) & 2 \\
3) & 9 \\
4) & 3 \\
5) & 6 \\
6) & 12 \\
7) & 4 \\
8) & 8 \\
9) & 12 \\
10) & 5 \\
11) & 2 \\
12) & 3 \\
13) & 8 \\
14) & 2 \\
15) & 7 \\
16) & 5 \\
17) & 10 \\
18) & 3 \\
19) & 7 \\
20) & 10 \\
21) & 7 \\
22) & 11 \\
23) & 7 \\
24) & 9 \\
25) & 5 \\
26) & 2 \\
27) & 11 \\
28) & 9 \\
29) & 6 \\
30) & 6 \\
\end{array}
}
\]
Parent Tip: Review the logic above to help your child master the concept of 1st grade math facts worksheet.
