Year 2 Number Bonds Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the Year 2 addition worksheet.
Success TutoringWorksheetsAnswer sheetYear 2 · Mathematics · AdditionYear 2 Number Bonds Worksheet — Level 3 — Answers
Write the missing number to make the whole. These are number bonds to 100.
1. (answer space) + 10 = 100
Answer: 90
- 100 − 10 = 90
2. (answer space) + 80 = 100
Answer: 20
- 100 − 80 = 20
3. (answer space) + 20 = 100
Answer: 80
- 100 − 20 = 80
4. (answer space) + 60 = 100
Answer: 40
- 100 − 60 = 40
5. (answer space) + 25 = 100
Answer: 75
- 100 − 25 = 75
6.55 + (answer space) = 100
Answer: 45
- 100 − 55 = 45
7.5 + (answer space) = 100
Answer: 95
- 100 − 5 = 95
8. (answer space) + 50 = 100
Answer: 50
- 100 − 50 = 50
9.75 + (answer space) = 100
Answer: 25
- 100 − 75 = 25
10.15 + (answer space) = 100
Answer: 85
- 100 − 15 = 85
11. (answer space) + 95 = 100
Answer: 5
- 100 − 95 = 5
12.95 + (answer space) = 100
Answer: 5
- 100 − 95 = 5
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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