Workbook Detail
Number Bonds Addition Within 20 Fill One — Set 39
7 = __ + 2
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Answer: 5
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 2
- MissingPart
- 5
- Difficulty
- normal
8 = 4 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 4
- MissingPart
- 4
- 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: 5 = 3 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 3
- MissingPart
- 2
- Difficulty
- normal
Number bond: 13 = 7 + ?
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Answer: 6
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 7
- MissingPart
- 6
- Difficulty
- normal
20 = 5 + __
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Answer: 15
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 5
- MissingPart
- 15
- Difficulty
- normal
13 = __ + 1
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Answer: 12
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 1
- MissingPart
- 12
- 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
Teaching Notes
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