Workbook Detail
Number Bonds Multiplication Within 50 Fill One — Set 78
Complete the number bond: 45 = 27 + __
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Answer: 18
- SubType
- number-bonds
- Total
- 45
- KnownPart
- 27
- MissingPart
- 18
- Difficulty
- normal
Number bond: 20 = 19 + ?
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Answer: 1
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 19
- MissingPart
- 1
- Difficulty
- normal
Number bond: 42 = ? + 40
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Answer: 2
- SubType
- number-bonds
- Total
- 42
- KnownPart
- 40
- MissingPart
- 2
- Difficulty
- normal
Complete the number bond: 41 = __ + 28
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Answer: 13
- SubType
- number-bonds
- Total
- 41
- KnownPart
- 28
- MissingPart
- 13
- Difficulty
- normal
Number bond: 38 = 31 + ?
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Answer: 7
- SubType
- number-bonds
- Total
- 38
- KnownPart
- 31
- MissingPart
- 7
- Difficulty
- normal
Number bond: 35 = ? + 12
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Answer: 23
- SubType
- number-bonds
- Total
- 35
- KnownPart
- 12
- MissingPart
- 23
- Difficulty
- normal
Complete the number bond: 43 = 26 + __
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Answer: 17
- SubType
- number-bonds
- Total
- 43
- KnownPart
- 26
- MissingPart
- 17
- Difficulty
- normal
36 = __ + 21
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Answer: 15
- SubType
- number-bonds
- Total
- 36
- KnownPart
- 21
- MissingPart
- 15
- Difficulty
- normal
Teaching Notes
Download this free number bonds multiplication within 50 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 50 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.