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. (answer space) − 5 = 11
Answer: 16
- 11 + 5 = 16
2. (answer space) − 6 = 14
Answer: 20
- 14 + 6 = 20
3.13 + (answer space) = 18
Answer: 5
- 18 − 13 = 5
4.7 + (answer space) = 11
Answer: 4
- 11 − 7 = 4
5.2 + (answer space) = 5
Answer: 3
- 5 − 2 = 3
6. (answer space) − 5 = 2
Answer: 7
- 2 + 5 = 7
7. (answer space) − 2 = 14
Answer: 16
- 14 + 2 = 16
8.6 + (answer space) = 19
Answer: 13
- 19 − 6 = 13
9. (answer space) + 2 = 5
Answer: 3
- 5 − 2 = 3
10.5 − (answer space) = 1
Answer: 4
- 5 − 1 = 4
11.9 − (answer space) = 8
Answer: 1
- 9 − 8 = 1
12. (answer space) − 2 = 11
Answer: 13
- 11 + 2 = 13
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.