Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 15
Number bond: 4 = ? + 1
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Answer: 3
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 1
- MissingPart
- 3
- Difficulty
- normal
Complete the number bond: 20 = __ + 9
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Answer: 11
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 9
- MissingPart
- 11
- Difficulty
- normal
Complete the number bond: 5 = __ + 2
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Answer: 3
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 2
- MissingPart
- 3
- Difficulty
- normal
Complete the number bond: 14 = __ + 8
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Answer: 6
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 8
- MissingPart
- 6
- Difficulty
- normal
3 = __ + 2
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Answer: 1
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 2
- MissingPart
- 1
- Difficulty
- normal
10 = __ + 1
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Answer: 9
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 1
- MissingPart
- 9
- Difficulty
- normal
Number bond: 11 = ? + 5
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Answer: 6
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 5
- MissingPart
- 6
- Difficulty
- normal
Complete the number bond: 20 = __ + 10
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Answer: 10
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 10
- MissingPart
- 10
- Difficulty
- normal
Teaching Notes
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Frequently Asked Questions
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