Workbook Detail
Number Sense Number Bonds Bonds To 20 — Set 31
Number bond: 2 = 1 + ?
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
12 = __ + 5
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Answer: 7
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 5
- MissingPart
- 7
- Difficulty
- normal
4 = __ + 2
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Answer: 2
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 2
- MissingPart
- 2
- Difficulty
- normal
7 = 1 + __
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Answer: 6
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 1
- MissingPart
- 6
- Difficulty
- normal
Number bond: 20 = ? + 2
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Answer: 18
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 2
- MissingPart
- 18
- Difficulty
- normal
Complete the number bond: 10 = 1 + __
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Answer: 9
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 1
- MissingPart
- 9
- Difficulty
- normal
16 = 7 + __
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Answer: 9
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 7
- MissingPart
- 9
- Difficulty
- normal
9 = 3 + __
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Answer: 6
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 3
- MissingPart
- 6
- Difficulty
- normal