Workbook Detail
Number Bonds Addition Within 20 Fill One — Set 57
Complete the number bond: 5 = 2 + __
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Answer: 3
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 2
- MissingPart
- 3
- Difficulty
- normal
Complete the number bond: 13 = 12 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 13
- KnownPart
- 12
- MissingPart
- 1
- Difficulty
- normal
15 = 10 + __
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Answer: 5
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 10
- MissingPart
- 5
- Difficulty
- normal
14 = __ + 4
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Answer: 10
- SubType
- number-bonds
- Total
- 14
- KnownPart
- 4
- MissingPart
- 10
- Difficulty
- normal
Complete the number bond: 8 = __ + 3
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Answer: 5
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 3
- MissingPart
- 5
- Difficulty
- normal
Number bond: 2 = 1 + ?
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 9 = __ + 1
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Answer: 8
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 1
- MissingPart
- 8
- Difficulty
- normal
20 = 15 + __
Show answer
Answer: 5
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 15
- MissingPart
- 5
- Difficulty
- normal
Teaching Notes
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