Year 2 Missing Numbers in Number Sentences Worksheet — Level 2 — Practice Set 3 — 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 — Practice Set 3 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1.28 + (answer space) = 52
Answer: 24
- 52 − 28 = 24
2.65 + (answer space) = 98
Answer: 33
- 98 − 65 = 33
3.87 − (answer space) = 64
Answer: 23
- 87 − 64 = 23
4. (answer space) + 12 = 40
Answer: 28
- 40 − 12 = 28
5. (answer space) + 4 = 77
Answer: 73
- 77 − 4 = 73
6. (answer space) + 41 = 49
Answer: 8
- 49 − 41 = 8
7.30 − (answer space) = 3
Answer: 27
- 30 − 3 = 27
8.30 + (answer space) = 53
Answer: 23
- 53 − 30 = 23
9. (answer space) − 13 = 17
Answer: 30
- 17 + 13 = 30
10. (answer space) + 40 = 83
Answer: 43
- 83 − 40 = 43
11. (answer space) − 43 = 11
Answer: 54
- 11 + 43 = 54
12. (answer space) + 41 = 91
Answer: 50
- 91 − 41 = 50
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.