2nd Grade Missing Numbers in Number Sentences Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the 2nd Grade addition worksheet.
Success TutoringWorksheetsAnswer sheet2nd Grade · Mathematics · Addition2nd Grade Missing Numbers in Number Sentences Worksheet — Level 2 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1. (answer space) − 68 = 14
Answer: 82
- 14 + 68 = 82
2.18 + (answer space) = 48
Answer: 30
- 48 − 18 = 30
3. (answer space) − 20 = 24
Answer: 44
- 24 + 20 = 44
4.30 + (answer space) = 78
Answer: 48
- 78 − 30 = 48
5. (answer space) + 21 = 91
Answer: 70
- 91 − 21 = 70
6. (answer space) − 39 = 58
Answer: 97
- 58 + 39 = 97
7.54 − (answer space) = 29
Answer: 25
- 54 − 29 = 25
8.42 + (answer space) = 89
Answer: 47
- 89 − 42 = 47
9. (answer space) − 22 = 43
Answer: 65
- 43 + 22 = 65
10. (answer space) − 26 = 12
Answer: 38
- 12 + 26 = 38
11. (answer space) + 24 = 96
Answer: 72
- 96 − 24 = 72
12. (answer space) − 29 = 4
Answer: 33
- 4 + 29 = 33
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.