Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 53
2 = 1 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Number bond: 7 = 4 + ?
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Answer: 3
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 4
- MissingPart
- 3
- Difficulty
- normal
12 = 4 + __
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Answer: 8
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 4
- MissingPart
- 8
- Difficulty
- normal
20 = __ + 4
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Answer: 16
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 4
- MissingPart
- 16
- Difficulty
- normal
Number bond: 4 = ? + 1
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Answer: 3
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 1
- MissingPart
- 3
- Difficulty
- normal
5 = 4 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 4
- MissingPart
- 1
- Difficulty
- normal
16 = 5 + __
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Answer: 11
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 5
- MissingPart
- 11
- Difficulty
- normal
Number bond: 19 = 6 + ?
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Answer: 13
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 6
- MissingPart
- 13
- Difficulty
- normal
Teaching Notes
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