Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 31
Complete the number bond: 16 = 7 + __
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Answer: 9
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 7
- MissingPart
- 9
- Difficulty
- normal
Complete the number bond: 14 = __ + 6
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Answer: 8
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 6
- MissingPart
- 8
- Difficulty
- normal
Number bond: 18 = 3 + ?
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Answer: 15
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 3
- MissingPart
- 15
- Difficulty
- normal
20 = 8 + __
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Answer: 12
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 8
- MissingPart
- 12
- Difficulty
- normal
Complete the number bond: 19 = __ + 10
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Answer: 9
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 10
- MissingPart
- 9
- Difficulty
- normal
6 = __ + 3
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Answer: 3
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 3
- MissingPart
- 3
- Difficulty
- normal
Number bond: 6 = ? + 2
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Answer: 4
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 2
- MissingPart
- 4
- Difficulty
- normal
Number bond: 9 = ? + 5
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Answer: 4
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 5
- MissingPart
- 4
- Difficulty
- normal
Teaching Notes
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