Year 2 Missing Numbers in Number Sentences Worksheet — Level 1 — Practice Set 4 — 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 4 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1.2 + (answer space) = 6
Answer: 4
- 6 − 2 = 4
2.3 + (answer space) = 16
Answer: 13
- 16 − 3 = 13
3. (answer space) + 2 = 12
Answer: 10
- 12 − 2 = 10
4.5 − (answer space) = 2
Answer: 3
- 5 − 2 = 3
5.18 + (answer space) = 19
Answer: 1
- 19 − 18 = 1
6.9 − (answer space) = 2
Answer: 7
- 9 − 2 = 7
7. (answer space) + 10 = 12
Answer: 2
- 12 − 10 = 2
8. (answer space) + 1 = 6
Answer: 5
- 6 − 1 = 5
9.1 + (answer space) = 12
Answer: 11
- 12 − 1 = 11
10.9 + (answer space) = 13
Answer: 4
- 13 − 9 = 4
11.16 − (answer space) = 9
Answer: 7
- 16 − 9 = 7
12. (answer space) + 1 = 20
Answer: 19
- 20 − 1 = 19
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.