Workbook Detail
Number Bonds Multiplication Within 20 Fill One — Set 49
Number bond: 10 = 9 + ?
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 9
- MissingPart
- 1
- Difficulty
- normal
5 = 3 + __
Show answer
Answer: 2
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 3
- MissingPart
- 2
- Difficulty
- normal
10 = 9 + __
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 9
- MissingPart
- 1
- Difficulty
- normal
Number bond: 4 = 1 + ?
Show answer
Answer: 3
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 1
- MissingPart
- 3
- Difficulty
- normal
20 = __ + 1
Show answer
Answer: 19
- SubType
- number-bonds
- Total
- 20
- KnownPart
- 1
- MissingPart
- 19
- Difficulty
- normal
17 = 10 + __
Show answer
Answer: 7
- SubType
- number-bonds
- Total
- 17
- KnownPart
- 10
- MissingPart
- 7
- Difficulty
- normal
16 = 7 + __
Show answer
Answer: 9
- SubType
- number-bonds
- Total
- 16
- KnownPart
- 7
- MissingPart
- 9
- Difficulty
- normal
Complete the number bond: 11 = __ + 3
Show answer
Answer: 8
- SubType
- number-bonds
- Total
- 11
- KnownPart
- 3
- MissingPart
- 8
- 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.