Year 3 Number Bonds Worksheet — Level 2 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 3 addition worksheet.
Success TutoringWorksheetsAnswer sheetYear 3 · Mathematics · AdditionYear 3 Number Bonds Worksheet — Level 2 — Practice Set 3 — Answers
Write the missing number to make the whole. These are number bonds to 10 and 20.
1. (answer space) + 16 = 20
Answer: 4
- 20 − 16 = 4
2.0 + (answer space) = 10
Answer: 10
- 10 − 0 = 10
3. (answer space) + 7 = 20
Answer: 13
- 20 − 7 = 13
4. (answer space) + 0 = 10
Answer: 10
- 10 − 0 = 10
5. (answer space) + 1 = 10
Answer: 9
- 10 − 1 = 9
6.8 + (answer space) = 20
Answer: 12
- 20 − 8 = 12
7. (answer space) + 6 = 20
Answer: 14
- 20 − 6 = 14
8. (answer space) + 13 = 20
Answer: 7
- 20 − 13 = 7
9.3 + (answer space) = 20
Answer: 17
- 20 − 3 = 17
10.7 + (answer space) = 10
Answer: 3
- 10 − 7 = 3
11.2 + (answer space) = 10
Answer: 8
- 10 − 2 = 8
12.5 + (answer space) = 20
Answer: 15
- 20 − 5 = 15
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.