Workbook Detail
Number Bonds To 20 Expert — Set 20
Number bond: 6 = ? + 3
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Answer: 3
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 3
- MissingPart
- 3
- Difficulty
- expert
10 = __ + 7
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Answer: 3
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 7
- MissingPart
- 3
- Difficulty
- expert
Number bond: 8 = ? + 7
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 8
- KnownPart
- 7
- MissingPart
- 1
- Difficulty
- expert
Complete the number bond: 2 = 1 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- expert
Number bond: 10 = 2 + ?
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Answer: 8
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 2
- MissingPart
- 8
- Difficulty
- expert
2 = __ + 1
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- expert
Complete the number bond: 3 = __ + 2
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 2
- MissingPart
- 1
- Difficulty
- expert
Number bond: 10 = 5 + ?
Show answer
Answer: 5
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 5
- MissingPart
- 5
- Difficulty
- expert
Teaching Notes
Practice number bonds to 20 with free printable worksheets. Uniquely generated — reinforce key math skills with every set.
Frequently Asked Questions
How do I use this Number Bonds To 20 Expert Worksheets 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.