2nd Grade Missing Numbers in Number Sentences Worksheet — Level 1 — 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 1 — Answers
Write the missing number. Use addition to check subtraction, and subtraction to check addition.
1.4 + (answer space) = 7
Answer: 3
- 7 − 4 = 3
2. (answer space) − 13 = 6
Answer: 19
- 6 + 13 = 19
3. (answer space) + 5 = 6
Answer: 1
- 6 − 5 = 1
4. (answer space) − 13 = 2
Answer: 15
- 2 + 13 = 15
5.5 − (answer space) = 3
Answer: 2
- 5 − 3 = 2
6. (answer space) + 7 = 16
Answer: 9
- 16 − 7 = 9
7. (answer space) + 3 = 6
Answer: 3
- 6 − 3 = 3
8.13 − (answer space) = 7
Answer: 6
- 13 − 7 = 6
9. (answer space) + 13 = 20
Answer: 7
- 20 − 13 = 7
10. (answer space) − 5 = 1
Answer: 6
- 1 + 5 = 6
11.16 − (answer space) = 2
Answer: 14
- 16 − 2 = 14
12.11 + (answer space) = 17
Answer: 6
- 17 − 11 = 6
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.
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