2nd Grade Missing Numbers in Number Sentences Worksheet — Level 2 — Practice Set 4 — 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 — Practice Set 4 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1. (answer space) − 46 = 20
Answer: 66
- 20 + 46 = 66
2.51 + (answer space) = 93
Answer: 42
- 93 − 51 = 42
3.67 − (answer space) = 49
Answer: 18
- 67 − 49 = 18
4.38 − (answer space) = 34
Answer: 4
- 38 − 34 = 4
5.29 − (answer space) = 14
Answer: 15
- 29 − 14 = 15
6. (answer space) − 71 = 15
Answer: 86
- 15 + 71 = 86
7.33 + (answer space) = 88
Answer: 55
- 88 − 33 = 55
8.92 − (answer space) = 76
Answer: 16
- 92 − 76 = 16
9.37 − (answer space) = 16
Answer: 21
- 37 − 16 = 21
10. (answer space) − 6 = 59
Answer: 65
- 59 + 6 = 65
11. (answer space) + 8 = 74
Answer: 66
- 74 − 8 = 66
12.99 − (answer space) = 48
Answer: 51
- 99 − 48 = 51
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.