Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 75
Complete the number bond: 12 = 9 + __
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Answer: 3
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 9
- MissingPart
- 3
- Difficulty
- normal
Complete the number bond: 11 = __ + 10
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Answer: 1
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 10
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 12 = 8 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 8
- MissingPart
- 4
- Difficulty
- normal
20 = __ + 5
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Answer: 15
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 5
- MissingPart
- 15
- Difficulty
- normal
Complete the number bond: 13 = __ + 4
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Answer: 9
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 4
- MissingPart
- 9
- Difficulty
- normal
Number bond: 3 = 1 + ?
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Answer: 2
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 1
- MissingPart
- 2
- Difficulty
- normal
11 = __ + 4
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Answer: 7
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 4
- MissingPart
- 7
- Difficulty
- normal
20 = 6 + __
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Answer: 14
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 6
- MissingPart
- 14
- Difficulty
- normal
Teaching Notes
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