Year 4 Missing Numbers in Number Sentences Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 4 addition worksheet.
Success TutoringWorksheetsAnswer sheetYear 4 · Mathematics · AdditionYear 4 Missing Numbers in Number Sentences Worksheet — Level 3 — Practice Set 4 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1. (answer space) + 542 = 963
Answer: 421
- 963 − 542 = 421
2. (answer space) − 612 = 57
Answer: 669
- 57 + 612 = 669
3.132 + (answer space) = 276
Answer: 144
- 276 − 132 = 144
4.241 + (answer space) = 727
Answer: 486
- 727 − 241 = 486
5. (answer space) − 11 = 767
Answer: 778
- 767 + 11 = 778
6. (answer space) − 611 = 56
Answer: 667
- 56 + 611 = 667
7. (answer space) + 602 = 980
Answer: 378
- 980 − 602 = 378
8. (answer space) + 491 = 513
Answer: 22
- 513 − 491 = 22
9. (answer space) + 144 = 649
Answer: 505
- 649 − 144 = 505
10.383 + (answer space) = 443
Answer: 60
- 443 − 383 = 60
11.36 + (answer space) = 645
Answer: 609
- 645 − 36 = 609
12.482 − (answer space) = 254
Answer: 228
- 482 − 254 = 228
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.