Workbook Detail
Number Bonds Addition Within 20 Fill One — Set 73
12 = __ + 8
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Answer: 4
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 8
- MissingPart
- 4
- Difficulty
- normal
Complete the number bond: 16 = __ + 14
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Answer: 2
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 14
- MissingPart
- 2
- Difficulty
- normal
Number bond: 3 = ? + 2
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Answer: 1
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 2
- MissingPart
- 1
- Difficulty
- normal
7 = __ + 3
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Answer: 4
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 3
- MissingPart
- 4
- Difficulty
- normal
6 = 2 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 2
- MissingPart
- 4
- Difficulty
- normal
Number bond: 11 = ? + 4
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Answer: 7
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 4
- MissingPart
- 7
- Difficulty
- normal
Complete the number bond: 17 = __ + 2
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Answer: 15
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 2
- MissingPart
- 15
- Difficulty
- normal
Number bond: 8 = ? + 5
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Answer: 3
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 5
- MissingPart
- 3
- Difficulty
- normal
Teaching Notes
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