Workbook Detail
Number Sense Number Bonds Bonds To 20 — Set 50
Number bond: 2 = 1 + ?
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 15 = 10 + __
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Answer: 5
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 10
- MissingPart
- 5
- Difficulty
- normal
Complete the number bond: 13 = 12 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 12
- MissingPart
- 1
- Difficulty
- normal
16 = 5 + __
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Answer: 11
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 5
- MissingPart
- 11
- Difficulty
- normal
14 = __ + 3
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Answer: 11
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 3
- MissingPart
- 11
- Difficulty
- normal
Number bond: 14 = ? + 6
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Answer: 8
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 6
- MissingPart
- 8
- Difficulty
- normal
Number bond: 17 = 8 + ?
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Answer: 9
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 8
- MissingPart
- 9
- Difficulty
- normal
Number bond: 10 = 8 + ?
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Answer: 2
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 8
- MissingPart
- 2
- Difficulty
- normal