Workbook Detail
Number Bonds Multiplication Within 20 Fill One — Set 40
Number bond: 15 = ? + 12
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Answer: 3
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 12
- MissingPart
- 3
- Difficulty
- normal
Number bond: 17 = ? + 11
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Answer: 6
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 11
- MissingPart
- 6
- Difficulty
- normal
Complete the number bond: 8 = __ + 1
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Answer: 7
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 1
- MissingPart
- 7
- Difficulty
- normal
7 = __ + 3
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Answer: 4
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 3
- MissingPart
- 4
- Difficulty
- normal
Complete the number bond: 19 = 18 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 19
- KnownPart
- 18
- MissingPart
- 1
- Difficulty
- normal
Complete the number bond: 15 = __ + 9
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Answer: 6
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 9
- MissingPart
- 6
- Difficulty
- normal
Complete the number bond: 7 = __ + 3
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Answer: 4
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 3
- MissingPart
- 4
- Difficulty
- normal
Number bond: 17 = ? + 6
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Answer: 11
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 6
- MissingPart
- 11
- Difficulty
- normal
Teaching Notes
Download this free number bonds multiplication within 20 fill one math worksheet. Uniquely generated with an answer key — great for homework, practice, or assessment.
Frequently Asked Questions
How do I use this Number Bonds Multiplication 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?
Yes — every worksheet includes a complete answer key. Print it separately or view it on screen.