Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 76
15 = __ + 7
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Answer: 8
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 7
- MissingPart
- 8
- Difficulty
- normal
Number bond: 10 = ? + 6
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Answer: 4
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 6
- MissingPart
- 4
- Difficulty
- normal
Number bond: 3 = ? + 1
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Answer: 2
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 1
- MissingPart
- 2
- Difficulty
- normal
Number bond: 9 = ? + 3
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Answer: 6
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 3
- MissingPart
- 6
- Difficulty
- normal
Number bond: 9 = 2 + ?
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Answer: 7
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 2
- MissingPart
- 7
- Difficulty
- normal
Number bond: 13 = 11 + ?
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Answer: 2
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 11
- MissingPart
- 2
- Difficulty
- normal
Complete the number bond: 17 = __ + 2
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Answer: 15
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 2
- MissingPart
- 15
- Difficulty
- normal
Number bond: 20 = 6 + ?
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Answer: 14
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 6
- MissingPart
- 14
- Difficulty
- normal
Teaching Notes
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