Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 22
13 = 6 + __
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Answer: 7
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 6
- MissingPart
- 7
- Difficulty
- normal
9 = __ + 4
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Answer: 5
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 4
- MissingPart
- 5
- Difficulty
- normal
Number bond: 8 = ? + 1
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Answer: 7
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 1
- MissingPart
- 7
- 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
19 = 18 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 18
- MissingPart
- 1
- Difficulty
- normal
Number bond: 15 = 14 + ?
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Answer: 1
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 14
- MissingPart
- 1
- Difficulty
- normal
10 = __ + 1
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Answer: 9
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 1
- MissingPart
- 9
- Difficulty
- normal
4 = __ + 1
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Answer: 3
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 1
- MissingPart
- 3
- Difficulty
- normal
Teaching Notes
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