Year 2 Missing Numbers in Number Sentences Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 2 addition worksheet.
Success TutoringWorksheetsAnswer sheetYear 2 · Mathematics · AdditionYear 2 Missing Numbers in Number Sentences Worksheet — Level 2 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1. (answer space) + 51 = 69
Answer: 18
- 69 − 51 = 18
2. (answer space) − 78 = 10
Answer: 88
- 10 + 78 = 88
3. (answer space) − 32 = 39
Answer: 71
- 39 + 32 = 71
4. (answer space) − 24 = 36
Answer: 60
- 36 + 24 = 60
5. (answer space) − 33 = 15
Answer: 48
- 15 + 33 = 48
6. (answer space) + 57 = 65
Answer: 8
- 65 − 57 = 8
7. (answer space) − 48 = 14
Answer: 62
- 14 + 48 = 62
8. (answer space) + 39 = 76
Answer: 37
- 76 − 39 = 37
9. (answer space) − 9 = 66
Answer: 75
- 66 + 9 = 75
10. (answer space) − 11 = 39
Answer: 50
- 39 + 11 = 50
11.11 + (answer space) = 73
Answer: 62
- 73 − 11 = 62
12.40 + (answer space) = 54
Answer: 14
- 54 − 40 = 14
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.