Workbook Detail
Number Sense Number Bonds Bonds To 100 — Set 81
Number bond: 71 = ? + 20
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Answer: 51
- SubType
- number-bonds
- Total
- 71
- KnownPart
- 20
- MissingPart
- 51
- Difficulty
- normal
62 = __ + 33
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Answer: 29
- SubType
- number-bonds
- Total
- 62
- KnownPart
- 33
- MissingPart
- 29
- Difficulty
- normal
Number bond: 78 = 8 + ?
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Answer: 70
- SubType
- number-bonds
- Total
- 78
- KnownPart
- 8
- MissingPart
- 70
- Difficulty
- normal
Complete the number bond: 68 = __ + 11
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Answer: 57
- SubType
- number-bonds
- Total
- 68
- KnownPart
- 11
- MissingPart
- 57
- Difficulty
- normal
54 = 21 + __
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Answer: 33
- SubType
- number-bonds
- Total
- 54
- KnownPart
- 21
- MissingPart
- 33
- Difficulty
- normal
Complete the number bond: 56 = __ + 14
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Answer: 42
- SubType
- number-bonds
- Total
- 56
- KnownPart
- 14
- MissingPart
- 42
- Difficulty
- normal
Number bond: 55 = ? + 46
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Answer: 9
- SubType
- number-bonds
- Total
- 55
- KnownPart
- 46
- MissingPart
- 9
- Difficulty
- normal
Complete the number bond: 57 = __ + 15
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Answer: 42
- SubType
- number-bonds
- Total
- 57
- KnownPart
- 15
- MissingPart
- 42
- Difficulty
- normal