Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 36
20 = __ + 15
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Answer: 5
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 15
- MissingPart
- 5
- Difficulty
- normal
Complete the number bond: 6 = 4 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 4
- MissingPart
- 2
- Difficulty
- normal
Complete the number bond: 20 = 1 + __
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Answer: 19
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 1
- MissingPart
- 19
- Difficulty
- normal
2 = __ + 1
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
13 = __ + 5
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Answer: 8
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 5
- MissingPart
- 8
- Difficulty
- normal
Number bond: 9 = 7 + ?
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Answer: 2
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 7
- MissingPart
- 2
- Difficulty
- normal
Number bond: 14 = ? + 5
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Answer: 9
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 5
- MissingPart
- 9
- Difficulty
- normal
Complete the number bond: 12 = 6 + __
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Answer: 6
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 6
- MissingPart
- 6
- Difficulty
- normal
Teaching Notes
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