Year 4 Missing Numbers in Number Sentences Worksheet — Level 1 — Practice Set 4 — 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 1 — Practice Set 4 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1. (answer space) + 1 = 7
Answer: 6
- 7 − 1 = 6
2. (answer space) − 11 = 1
Answer: 12
- 1 + 11 = 12
3. (answer space) − 3 = 3
Answer: 6
- 3 + 3 = 6
4.11 + (answer space) = 16
Answer: 5
- 16 − 11 = 5
5. (answer space) − 13 = 2
Answer: 15
- 2 + 13 = 15
6.3 + (answer space) = 5
Answer: 2
- 5 − 3 = 2
7. (answer space) − 5 = 1
Answer: 6
- 1 + 5 = 6
8.5 + (answer space) = 6
Answer: 1
- 6 − 5 = 1
9.16 − (answer space) = 2
Answer: 14
- 16 − 2 = 14
10. (answer space) + 19 = 20
Answer: 1
- 20 − 19 = 1
11.8 − (answer space) = 4
Answer: 4
- 8 − 4 = 4
12. (answer space) + 3 = 12
Answer: 9
- 12 − 3 = 9
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.