Workbook Detail
Number Bonds Addition Within 20 Fill Both — Set 69
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: 10 = __ + 4
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Answer: 6
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 4
- MissingPart
- 6
- Difficulty
- normal
Complete the number bond: 13 = 7 + __
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Answer: 6
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 7
- MissingPart
- 6
- Difficulty
- normal
Complete the number bond: 2 = 1 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
7 = 1 + __
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Answer: 6
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 1
- MissingPart
- 6
- Difficulty
- normal
7 = 6 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 6
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 18 = 4 + __
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Answer: 14
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 4
- MissingPart
- 14
- Difficulty
- normal
19 = __ + 3
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Answer: 16
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 3
- MissingPart
- 16
- Difficulty
- normal
Teaching Notes
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