Workbook Detail
Number Sense Number Bonds Bonds To 20 — Set 56
Number bond: 18 = ? + 7
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Answer: 11
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 7
- MissingPart
- 11
- Difficulty
- normal
Complete the number bond: 9 = 4 + __
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Answer: 5
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 4
- MissingPart
- 5
- Difficulty
- normal
Complete the number bond: 17 = 6 + __
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Answer: 11
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 6
- MissingPart
- 11
- Difficulty
- normal
20 = __ + 9
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Answer: 11
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 9
- MissingPart
- 11
- Difficulty
- normal
Number bond: 6 = ? + 3
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Answer: 3
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 3
- MissingPart
- 3
- Difficulty
- normal
Number bond: 13 = 11 + ?
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Answer: 2
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 11
- MissingPart
- 2
- Difficulty
- normal
Number bond: 3 = ? + 1
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Answer: 2
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 1
- MissingPart
- 2
- Difficulty
- normal
Number bond: 6 = 1 + ?
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Answer: 5
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 1
- MissingPart
- 5
- Difficulty
- normal