Workbook Detail
Number Bonds Addition Within 20 Fill One — Set 14
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: 12 = __ + 8
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Answer: 4
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 8
- MissingPart
- 4
- Difficulty
- normal
5 = 3 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 3
- MissingPart
- 2
- Difficulty
- normal
Complete the number bond: 6 = __ + 2
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Answer: 4
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 2
- MissingPart
- 4
- Difficulty
- normal
4 = 3 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 3
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 11 = __ + 1
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Answer: 10
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 1
- MissingPart
- 10
- Difficulty
- normal
Number bond: 4 = 1 + ?
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Answer: 3
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 1
- MissingPart
- 3
- Difficulty
- normal
Number bond: 11 = ? + 1
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Answer: 10
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 1
- MissingPart
- 10
- Difficulty
- normal
Teaching Notes
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Frequently Asked Questions
How do I use this Number Bonds Addition Within 20 Fill One Math Worksheet worksheet?
Print the worksheet and complete the problems. Each set number generates a unique arrangement. Use the same set number for all students in a class for consistent assessment.
Is there an answer key?
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