Workbook Detail
Number Bonds Multiplication Within 20 Fill One — Set 86
7 = 3 + __
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Answer: 4
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 3
- MissingPart
- 4
- Difficulty
- normal
9 = __ + 8
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Answer: 1
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 8
- MissingPart
- 1
- Difficulty
- normal
12 = 10 + __
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Answer: 2
- SubType
- number-bonds
- Total
- 12
- KnownPart
- 10
- MissingPart
- 2
- Difficulty
- normal
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: 17 = 11 + __
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Answer: 6
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 11
- MissingPart
- 6
- Difficulty
- normal
Complete the number bond: 7 = 1 + __
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Answer: 6
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 1
- MissingPart
- 6
- Difficulty
- normal
Number bond: 18 = ? + 1
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Answer: 17
- SubType
- number-bonds
- Total
- 18
- KnownPart
- 1
- MissingPart
- 17
- Difficulty
- normal
Number bond: 15 = ? + 1
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Answer: 14
- SubType
- number-bonds
- Total
- 15
- KnownPart
- 1
- MissingPart
- 14
- Difficulty
- normal
Teaching Notes
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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.