Of course! Let's solve each subtraction problem on the worksheet step by step. The title says “Subtraction up to 20,” so all problems involve subtracting one number from another, with the result being 20 or less.
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Row 1:
1.
20 – 10
→ Start at 20, count back 10: 20, 19, 18, ..., 10 →
Answer: 10
2.
15 – 2
→ 15 minus 2 is 13 →
Answer: 13
3.
18 – 10
→ 18 minus 10 is 8 →
Answer: 8
4.
20 – 19
→ 20 minus 19 is 1 →
Answer: 1
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Row 2:
5.
14 – 6
→ 14 minus 6: Think of it as 10 + 4 – 6 = (10 – 6) + 4 = 4 + 4 = 8 →
Answer: 8
6.
17 – 3
→ 17 minus 3 is 14 →
Answer: 14
7.
11 – 6
→ 11 minus 6 is 5 →
Answer: 5
8.
16 – 5
→ 16 minus 5 is 11 →
Answer: 11
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Row 3:
9.
19 – 8
→ 19 minus 8 is 11 →
Answer: 11
10.
10 – 7
→ 10 minus 7 is 3 →
Answer: 3
11.
12 – 4
→ 12 minus 4 is 8 →
Answer: 8
12.
18 – 6
→ 18 minus 6 is 12 →
Answer: 12
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Row 4:
13.
15 – 9
→ 15 minus 9: You can think 9 + ? = 15 → 6 →
Answer: 6
14.
14 – 7
→ 14 minus 7 is 7 →
Answer: 7
15.
16 – 9
→ 16 minus 9: 9 + 7 = 16 →
Answer: 7
16.
13 – 10
→ 13 minus 10 is 3 →
Answer: 3
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✔ Final Answers (in order):
Row 1: 10, 13, 8, 1
Row 2: 8, 14, 5, 11
Row 3: 11, 3, 8, 12
Row 4: 6, 7, 7, 3
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You can write these answers in the spaces below each problem on the worksheet.
Let me know if you’d like a printable version or want to check your child’s work! 😊
Parent Tip: Review the logic above to help your child master the concept of add and subtract within 20 worksheet.
