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. (answer space) + 55 = 80
Answer: 25
- 80 − 55 = 25
2. (answer space) + 3 = 88
Answer: 85
- 88 − 3 = 85
3.43 + (answer space) = 86
Answer: 43
- 86 − 43 = 43
4. (answer space) + 6 = 74
Answer: 68
- 74 − 6 = 68
5. (answer space) + 42 = 65
Answer: 23
- 65 − 42 = 23
6.82 − (answer space) = 5
Answer: 77
- 82 − 5 = 77
7.43 − (answer space) = 42
Answer: 1
- 43 − 42 = 1
8. (answer space) + 14 = 52
Answer: 38
- 52 − 14 = 38
9. (answer space) − 23 = 55
Answer: 78
- 55 + 23 = 78
10.46 − (answer space) = 31
Answer: 15
- 46 − 31 = 15
11.5 + (answer space) = 26
Answer: 21
- 26 − 5 = 21
12. (answer space) − 55 = 7
Answer: 62
- 7 + 55 = 62
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.