Workbook Detail
Number Sense Number Bonds Bonds To 20 — Set 40
Number bond: 2 = ? + 1
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Number bond: 16 = ? + 9
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Answer: 7
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 9
- MissingPart
- 7
- Difficulty
- normal
Number bond: 11 = ? + 8
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Answer: 3
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 8
- MissingPart
- 3
- Difficulty
- normal
Complete the number bond: 14 = __ + 3
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Answer: 11
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 3
- MissingPart
- 11
- Difficulty
- normal
17 = 13 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 13
- MissingPart
- 4
- Difficulty
- normal
2 = 1 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Number bond: 18 = 6 + ?
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Answer: 12
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 6
- MissingPart
- 12
- Difficulty
- normal
12 = __ + 9
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Answer: 3
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 9
- MissingPart
- 3
- Difficulty
- normal