Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 90
Complete the number bond: 5 = __ + 4
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Answer: 1
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 4
- MissingPart
- 1
- Difficulty
- normal
Number bond: 17 = 12 + ?
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Answer: 5
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 12
- MissingPart
- 5
- Difficulty
- normal
5 = 2 + __
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Answer: 3
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 2
- MissingPart
- 3
- Difficulty
- normal
5 = 3 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 3
- MissingPart
- 2
- Difficulty
- normal
Number bond: 12 = ? + 7
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Answer: 5
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 7
- MissingPart
- 5
- Difficulty
- normal
Number bond: 20 = 8 + ?
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Answer: 12
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 8
- MissingPart
- 12
- Difficulty
- normal
15 = __ + 4
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Answer: 11
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 4
- MissingPart
- 11
- Difficulty
- normal
Complete the number bond: 11 = __ + 10
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Answer: 1
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 10
- MissingPart
- 1
- Difficulty
- normal
Teaching Notes
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