Let's solve the
Addition and Subtraction Facts worksheet step by step. This is a math facts practice worksheet designed to reinforce basic addition and subtraction skills.
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Worksheet: Addition and Subtraction Facts
We'll go through each problem one by one and compute the correct answer.
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####
Row 1
1. 16 – 12 =
4
2. 10 + 5 =
15
3. 9 + 9 =
18
4. 4 – 3 =
1
####
Row 2
5. 12 – 3 =
9
6. 23 – 12 =
11
7. 4 + 5 =
9
8. 22 – 11 =
11
####
Row 3
9. 8 + 3 =
11
10. 21 – 10 =
11
11. 12 + 7 =
19
12. 22 – 12 =
10
####
Row 4
13. 5 + 4 =
9
14. 7 – 6 =
1
15. 4 + 7 =
11
16. 5 + 7 =
12
####
Row 5
17. 10 + 3 =
13
18. 9 + 7 =
16
19. 2 + 2 =
4
20. 11 + 6 =
17
####
Row 6
21. 6 – 4 =
2
22. 5 – 4 =
1
23. 9 – 3 =
6
24. 10 + 6 =
16
####
Row 7
25. 6 + 12 =
18
26. 15 – 11 =
4
27. 16 – 11 =
5
28. 23 – 11 =
12
####
Row 8
29. 11 – 4 =
7
30. 20 – 8 =
12
31. 5 + 9 =
14
32. 9 – 6 =
3
####
Row 9
33. 6 – 2 =
4
34. 11 – 6 =
5
35. 8 + 7 =
15
36. 1 + 6 =
7
####
Row 10
37. 4 + 8 =
12
38. 5 + 6 =
11
39. 3 + 10 =
13
40. 13 – 11 =
2
####
Row 11
41. 7 + 1 =
8
42. 9 + 11 =
20
43. 8 – 2 =
6
44. 6 + 5 =
11
####
Row 12
45. 21 – 11 =
10
46. 17 – 6 =
11
47. 20 – 12 =
8
48. 9 + 8 =
17
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✔ Final Answers (in order):
```
4, 15, 18, 1,
9, 11, 9, 11,
11, 11, 19, 10,
9, 1, 11, 12,
13, 16, 4, 17,
2, 1, 6, 16,
18, 4, 5, 12,
7, 12, 14, 3,
4, 5, 15, 7,
12, 11, 13, 2,
8, 20, 6, 11,
10, 11, 8, 17
```
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🔍 Explanation:
This worksheet helps students build fluency in
basic arithmetic facts, particularly focusing on numbers within 20. It includes:
-
Subtraction problems: e.g., 16 – 12 = 4 — helps with understanding number relationships.
-
Addition problems: e.g., 9 + 9 = 18 — reinforces doubles and mental math.
- Mixed operations: encourages quick recall of facts without relying on counting.
These are foundational skills for more advanced math concepts like multiplication, word problems, and algebra.
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✔ Tip for Students: Practice these regularly to improve speed and accuracy. Use flashcards or timed drills for extra practice.
Let me know if you'd like this as a printable answer key or want explanations for any specific problems!
Parent Tip: Review the logic above to help your child master the concept of math subtraction worksheet.
