Year 3 Subtraction Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 3 subtraction worksheet.
Success TutoringWorksheetsAnswer sheetYear 3 · Mathematics · SubtractionYear 3 Subtraction Worksheet — Level 1 — Practice Set 3 — Answers
Set out each subtraction in columns. Show any regrouping.
1.
943
−591
Answer: 352
- 3 − 1 = 2
- 4 is less than 9: regroup 1 ten from the next column → 14 − 9 = 5
- 8 − 5 = 3
2.
404
−135
Answer: 269
- 4 is less than 5: regroup 1 ten from the next column → 14 − 5 = 9
- 0 lent 1 to the column before, so regroup again: this column becomes 9 → 9 − 3 = 6
- 3 − 1 = 2
3.
331
−113
Answer: 218
- 1 is less than 3: regroup 1 ten from the next column → 11 − 3 = 8
- 2 − 1 = 1
- 3 − 1 = 2
4.
425
−276
Answer: 149
- 5 is less than 6: regroup 1 ten from the next column → 15 − 6 = 9
- 1 is less than 7: regroup 1 ten from the next column → 11 − 7 = 4
- 3 − 2 = 1
5.
766
−286
Answer: 480
- 6 − 6 = 0
- 6 is less than 8: regroup 1 ten from the next column → 16 − 8 = 8
- 6 − 2 = 4
6.
833
−417
Answer: 416
- 3 is less than 7: regroup 1 ten from the next column → 13 − 7 = 6
- 2 − 1 = 1
- 8 − 4 = 4
7.
885
−697
Answer: 188
- 5 is less than 7: regroup 1 ten from the next column → 15 − 7 = 8
- 7 is less than 9: regroup 1 ten from the next column → 17 − 9 = 8
- 7 − 6 = 1
8.
674
−348
Answer: 326
- 4 is less than 8: regroup 1 ten from the next column → 14 − 8 = 6
- 6 − 4 = 2
- 6 − 3 = 3
9.
210
−101
Answer: 109
- 0 is less than 1: regroup 1 ten from the next column → 10 − 1 = 9
- 0 − 0 = 0
- 2 − 1 = 1
10.
830
−319
Answer: 511
- 0 is less than 9: regroup 1 ten from the next column → 10 − 9 = 1
- 2 − 1 = 1
- 8 − 3 = 5
11.
873
−629
Answer: 244
- 3 is less than 9: regroup 1 ten from the next column → 13 − 9 = 4
- 6 − 2 = 4
- 8 − 6 = 2
12.
430
−402
Answer: 28
- 0 is less than 2: regroup 1 ten from the next column → 10 − 2 = 8
- 2 − 0 = 2
- 4 − 4 = 0
13.
812
−350
Answer: 462
- 2 − 0 = 2
- 1 is less than 5: regroup 1 ten from the next column → 11 − 5 = 6
- 7 − 3 = 4
14.
309
−103
Answer: 206
- 9 − 3 = 6
- 0 − 0 = 0
- 3 − 1 = 2
15.
432
−109
Answer: 323
- 2 is less than 9: regroup 1 ten from the next column → 12 − 9 = 3
- 2 − 0 = 2
- 4 − 1 = 3
16.
889
−351
Answer: 538
- 9 − 1 = 8
- 8 − 5 = 3
- 8 − 3 = 5
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.