Workbook Detail
Number Bonds Addition Within 20 Fill One — Set 31
Complete the number bond: 3 = __ + 1
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Answer: 2
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 1
- MissingPart
- 2
- Difficulty
- normal
Number bond: 18 = ? + 8
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Answer: 10
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 8
- MissingPart
- 10
- Difficulty
- normal
Number bond: 11 = 4 + ?
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Answer: 7
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 4
- MissingPart
- 7
- Difficulty
- normal
Number bond: 5 = ? + 1
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Answer: 4
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 1
- MissingPart
- 4
- Difficulty
- normal
Complete the number bond: 17 = __ + 4
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Answer: 13
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 4
- MissingPart
- 13
- Difficulty
- normal
Number bond: 4 = 2 + ?
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Answer: 2
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 2
- MissingPart
- 2
- Difficulty
- normal
20 = __ + 8
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Answer: 12
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 8
- MissingPart
- 12
- Difficulty
- normal
11 = 1 + __
Show answer
Answer: 10
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 1
- MissingPart
- 10
- Difficulty
- normal
Teaching Notes
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Frequently Asked Questions
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