Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 35
Complete the number bond: 13 = __ + 6
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Answer: 7
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 6
- MissingPart
- 7
- Difficulty
- normal
Number bond: 15 = 2 + ?
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Answer: 13
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 2
- MissingPart
- 13
- Difficulty
- normal
Number bond: 5 = ? + 1
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Answer: 4
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 1
- MissingPart
- 4
- Difficulty
- normal
Complete the number bond: 7 = 6 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 6
- MissingPart
- 1
- Difficulty
- normal
Number bond: 14 = 4 + ?
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Answer: 10
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 4
- MissingPart
- 10
- Difficulty
- normal
Complete the number bond: 10 = __ + 2
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Answer: 8
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 2
- MissingPart
- 8
- Difficulty
- normal
Number bond: 4 = 2 + ?
Show answer
Answer: 2
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 2
- MissingPart
- 2
- Difficulty
- normal
2 = 1 + __
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Teaching Notes
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Frequently Asked Questions
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