Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 57
18 = 4 + __
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Answer: 14
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 4
- MissingPart
- 14
- Difficulty
- normal
11 = 1 + __
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Answer: 10
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 1
- MissingPart
- 10
- Difficulty
- normal
Number bond: 11 = 10 + ?
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Answer: 1
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 10
- MissingPart
- 1
- Difficulty
- normal
20 = 4 + __
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Answer: 16
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 4
- MissingPart
- 16
- Difficulty
- normal
Number bond: 8 = 2 + ?
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Answer: 6
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 2
- MissingPart
- 6
- Difficulty
- normal
Complete the number bond: 17 = 1 + __
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Answer: 16
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 1
- MissingPart
- 16
- Difficulty
- normal
18 = __ + 16
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Answer: 2
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 16
- MissingPart
- 2
- Difficulty
- normal
16 = 12 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 12
- MissingPart
- 4
- Difficulty
- normal
Teaching Notes
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