Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 58
18 = __ + 8
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Answer: 10
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 8
- MissingPart
- 10
- Difficulty
- normal
Complete the number bond: 3 = __ + 1
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Answer: 2
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 1
- MissingPart
- 2
- Difficulty
- normal
Complete the number bond: 13 = 10 + __
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Answer: 3
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 10
- MissingPart
- 3
- Difficulty
- normal
Number bond: 10 = ? + 6
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Answer: 4
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 6
- MissingPart
- 4
- Difficulty
- normal
12 = 5 + __
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Answer: 7
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 5
- MissingPart
- 7
- Difficulty
- normal
Complete the number bond: 11 = __ + 5
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Answer: 6
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 5
- MissingPart
- 6
- Difficulty
- normal
5 = __ + 3
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Answer: 2
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 3
- MissingPart
- 2
- Difficulty
- normal
Number bond: 17 = 9 + ?
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Answer: 8
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 9
- MissingPart
- 8
- Difficulty
- normal
Teaching Notes
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