Workbook Detail
Number Sense Number Bonds Bonds To 20 — Set 42
Number bond: 11 = ? + 5
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Answer: 6
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 5
- MissingPart
- 6
- Difficulty
- normal
Number bond: 18 = ? + 12
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Answer: 6
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 12
- MissingPart
- 6
- Difficulty
- normal
9 = 8 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 8
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 18 = __ + 13
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Answer: 5
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 13
- MissingPart
- 5
- Difficulty
- normal
12 = 10 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 10
- MissingPart
- 2
- Difficulty
- normal
18 = 12 + __
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Answer: 6
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 12
- MissingPart
- 6
- Difficulty
- normal
8 = 7 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 7
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 18 = 4 + __
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Answer: 14
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 4
- MissingPart
- 14
- Difficulty
- normal