Year 2 Missing Numbers in Number Sentences Worksheet — Level 1 — 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 1 — Practice Set 3 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1.8 − (answer space) = 5
Answer: 3
- 8 − 5 = 3
2. (answer space) + 2 = 18
Answer: 16
- 18 − 2 = 16
3. (answer space) − 8 = 4
Answer: 12
- 4 + 8 = 12
4. (answer space) + 10 = 11
Answer: 1
- 11 − 10 = 1
5. (answer space) − 11 = 3
Answer: 14
- 3 + 11 = 14
6.8 − (answer space) = 1
Answer: 7
- 8 − 1 = 7
7.4 + (answer space) = 13
Answer: 9
- 13 − 4 = 9
8. (answer space) + 5 = 8
Answer: 3
- 8 − 5 = 3
9.3 + (answer space) = 7
Answer: 4
- 7 − 3 = 4
10. (answer space) + 6 = 12
Answer: 6
- 12 − 6 = 6
11. (answer space) + 5 = 12
Answer: 7
- 12 − 5 = 7
12.5 + (answer space) = 10
Answer: 5
- 10 − 5 = 5
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.