Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 79
Number bond: 11 = ? + 6
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Answer: 5
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 6
- MissingPart
- 5
- Difficulty
- normal
Number bond: 2 = ? + 1
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
4 = __ + 3
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Answer: 1
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 3
- MissingPart
- 1
- Difficulty
- normal
9 = 7 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 7
- MissingPart
- 2
- Difficulty
- normal
Number bond: 18 = 12 + ?
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Answer: 6
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 12
- MissingPart
- 6
- Difficulty
- normal
Number bond: 3 = ? + 1
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Answer: 2
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 1
- MissingPart
- 2
- Difficulty
- normal
5 = 4 + __
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 4
- MissingPart
- 1
- Difficulty
- normal
2 = 1 + __
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Teaching Notes
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