Workbook Detail
Number Bonds Addition Within 20 Fill One — Set 80
Complete the number bond: 11 = __ + 2
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Answer: 9
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 2
- MissingPart
- 9
- Difficulty
- normal
Complete the number bond: 16 = __ + 11
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Answer: 5
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 11
- MissingPart
- 5
- Difficulty
- normal
18 = __ + 14
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Answer: 4
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 14
- MissingPart
- 4
- Difficulty
- normal
6 = __ + 1
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Answer: 5
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 1
- MissingPart
- 5
- Difficulty
- normal
6 = 1 + __
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Answer: 5
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 1
- MissingPart
- 5
- Difficulty
- normal
8 = __ + 5
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Answer: 3
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 5
- MissingPart
- 3
- Difficulty
- normal
9 = 7 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 7
- MissingPart
- 2
- Difficulty
- normal
Number bond: 5 = 1 + ?
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Answer: 4
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 1
- MissingPart
- 4
- Difficulty
- normal
Teaching Notes
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