2nd Grade Subtraction Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 2nd Grade subtraction worksheet.
2nd Grade Subtraction Worksheet — Level 1 — Practice Set 3 — Answers
Set out each subtraction in columns. Show any regrouping.
1.
36
−19
Answer: 17
- 6 is less than 9: regroup 1 ten from the next column → 16 − 9 = 7
- 2 − 1 = 1
2.
85
−38
Answer: 47
- 5 is less than 8: regroup 1 ten from the next column → 15 − 8 = 7
- 7 − 3 = 4
3.
77
−37
Answer: 40
- 7 − 7 = 0
- 7 − 3 = 4
4.
53
−42
Answer: 11
- 3 − 2 = 1
- 5 − 4 = 1
5.
71
−57
Answer: 14
- 1 is less than 7: regroup 1 ten from the next column → 11 − 7 = 4
- 6 − 5 = 1
6.
40
−31
Answer: 9
- 0 is less than 1: regroup 1 ten from the next column → 10 − 1 = 9
- 3 − 3 = 0
7.
61
−28
Answer: 33
- 1 is less than 8: regroup 1 ten from the next column → 11 − 8 = 3
- 5 − 2 = 3
8.
90
−59
Answer: 31
- 0 is less than 9: regroup 1 ten from the next column → 10 − 9 = 1
- 8 − 5 = 3
9.
79
−53
Answer: 26
- 9 − 3 = 6
- 7 − 5 = 2
10.
58
−37
Answer: 21
- 8 − 7 = 1
- 5 − 3 = 2
11.
49
−43
Answer: 6
- 9 − 3 = 6
- 4 − 4 = 0
12.
71
−49
Answer: 22
- 1 is less than 9: regroup 1 ten from the next column → 11 − 9 = 2
- 6 − 4 = 2
13.
39
−29
Answer: 10
- 9 − 9 = 0
- 3 − 2 = 1
14.
30
−19
Answer: 11
- 0 is less than 9: regroup 1 ten from the next column → 10 − 9 = 1
- 2 − 1 = 1
15.
82
−21
Answer: 61
- 2 − 1 = 1
- 8 − 2 = 6
16.
98
−28
Answer: 70
- 8 − 8 = 0
- 9 − 2 = 7
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.