Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 60
7 = 3 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 3
- MissingPart
- 4
- Difficulty
- normal
7 = __ + 1
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Answer: 6
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 1
- MissingPart
- 6
- Difficulty
- normal
Number bond: 6 = ? + 5
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Answer: 1
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 5
- MissingPart
- 1
- Difficulty
- normal
Number bond: 3 = 1 + ?
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Answer: 2
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 1
- MissingPart
- 2
- Difficulty
- normal
15 = __ + 5
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Answer: 10
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 5
- MissingPart
- 10
- Difficulty
- normal
Number bond: 10 = ? + 6
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Answer: 4
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 6
- MissingPart
- 4
- Difficulty
- normal
17 = 16 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 16
- MissingPart
- 1
- Difficulty
- normal
3 = 2 + __
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 2
- MissingPart
- 1
- Difficulty
- normal
Teaching Notes
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