Year 3 Missing Numbers in Number Sentences Worksheet — Level 2 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 3 addition worksheet.
Success TutoringWorksheetsAnswer sheetYear 3 · Mathematics · AdditionYear 3 Missing Numbers in Number Sentences Worksheet — Level 2 — Practice Set 4 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1. (answer space) − 11 = 54
Answer: 65
- 54 + 11 = 65
2. (answer space) + 69 = 75
Answer: 6
- 75 − 69 = 6
3.30 − (answer space) = 25
Answer: 5
- 30 − 25 = 5
4.76 − (answer space) = 69
Answer: 7
- 76 − 69 = 7
5.29 − (answer space) = 17
Answer: 12
- 29 − 17 = 12
6. (answer space) − 72 = 6
Answer: 78
- 6 + 72 = 78
7.23 + (answer space) = 61
Answer: 38
- 61 − 23 = 38
8.97 − (answer space) = 66
Answer: 31
- 97 − 66 = 31
9. (answer space) + 23 = 82
Answer: 59
- 82 − 23 = 59
10.46 − (answer space) = 7
Answer: 39
- 46 − 7 = 39
11. (answer space) + 24 = 58
Answer: 34
- 58 − 24 = 34
12.69 − (answer space) = 6
Answer: 63
- 69 − 6 = 63
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.