Workbook Detail
Number Sense Number Bonds Bonds To 20 — Set 57
Number bond: 4 = 2 + ?
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Answer: 2
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 2
- MissingPart
- 2
- Difficulty
- normal
14 = 11 + __
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Answer: 3
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 11
- MissingPart
- 3
- Difficulty
- normal
Number bond: 15 = ? + 6
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Answer: 9
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 6
- MissingPart
- 9
- Difficulty
- normal
Number bond: 15 = ? + 2
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Answer: 13
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 2
- MissingPart
- 13
- Difficulty
- normal
20 = __ + 2
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Answer: 18
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 2
- MissingPart
- 18
- Difficulty
- normal
2 = __ + 1
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 12 = __ + 3
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Answer: 9
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 3
- MissingPart
- 9
- Difficulty
- normal
Complete the number bond: 13 = __ + 3
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Answer: 10
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 3
- MissingPart
- 10
- Difficulty
- normal