Workbook Detail
Number Sense Number Bonds Bonds To 20 — Set 45
Number bond: 3 = ? + 2
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Answer: 1
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 2
- MissingPart
- 1
- Difficulty
- normal
13 = __ + 12
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Answer: 1
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 12
- MissingPart
- 1
- Difficulty
- normal
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: 4 = 2 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 2
- MissingPart
- 2
- Difficulty
- normal
Number bond: 19 = 14 + ?
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Answer: 5
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 14
- MissingPart
- 5
- Difficulty
- normal
Complete the number bond: 4 = __ + 2
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Answer: 2
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 2
- MissingPart
- 2
- Difficulty
- normal
Complete the number bond: 2 = __ + 1
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Number bond: 11 = ? + 8
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Answer: 3
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 8
- MissingPart
- 3
- Difficulty
- normal