Year 4 Missing Numbers in Number Sentences Worksheet — Level 2 — Practice Set 3 — 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 2 — Practice Set 3 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1. (answer space) + 22 = 87
Answer: 65
- 87 − 22 = 65
2.1 + (answer space) = 70
Answer: 69
- 70 − 1 = 69
3.53 − (answer space) = 51
Answer: 2
- 53 − 51 = 2
4.9 + (answer space) = 25
Answer: 16
- 25 − 9 = 16
5. (answer space) + 60 = 62
Answer: 2
- 62 − 60 = 2
6.48 + (answer space) = 53
Answer: 5
- 53 − 48 = 5
7.43 + (answer space) = 85
Answer: 42
- 85 − 43 = 42
8.65 + (answer space) = 84
Answer: 19
- 84 − 65 = 19
9. (answer space) − 20 = 34
Answer: 54
- 34 + 20 = 54
10.69 + (answer space) = 87
Answer: 18
- 87 − 69 = 18
11.100 − (answer space) = 6
Answer: 94
- 100 − 6 = 94
12. (answer space) + 20 = 67
Answer: 47
- 67 − 20 = 47
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.