Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 49
13 = __ + 1
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Answer: 12
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 1
- MissingPart
- 12
- Difficulty
- normal
Number bond: 18 = ? + 4
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Answer: 14
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 4
- MissingPart
- 14
- Difficulty
- normal
Complete the number bond: 15 = __ + 6
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Answer: 9
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 6
- MissingPart
- 9
- Difficulty
- normal
Number bond: 5 = ? + 4
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Answer: 1
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 4
- MissingPart
- 1
- Difficulty
- normal
18 = __ + 8
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Answer: 10
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 8
- MissingPart
- 10
- Difficulty
- normal
Number bond: 15 = 5 + ?
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Answer: 10
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 5
- MissingPart
- 10
- Difficulty
- normal
Number bond: 18 = 3 + ?
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Answer: 15
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 3
- MissingPart
- 15
- Difficulty
- normal
Number bond: 10 = ? + 1
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Answer: 9
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 1
- MissingPart
- 9
- Difficulty
- normal
Teaching Notes
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