Workbook Detail
Number Bonds To 20 Medium — Set 18
4 = 1 + __
Show answer
Answer: 3
- SubType
- number-bonds
- Total
- 4
- KnownPart
- 1
- MissingPart
- 3
- Difficulty
- medium
Number bond: 5 = 3 + ?
Show answer
Answer: 2
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 3
- MissingPart
- 2
- Difficulty
- medium
Number bond: 6 = 4 + ?
Show answer
Answer: 2
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 4
- MissingPart
- 2
- Difficulty
- medium
Number bond: 5 = ? + 4
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 4
- MissingPart
- 1
- Difficulty
- medium
Complete the number bond: 3 = __ + 2
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 2
- MissingPart
- 1
- Difficulty
- medium
Complete the number bond: 10 = __ + 4
Show answer
Answer: 6
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 4
- MissingPart
- 6
- Difficulty
- medium
Number bond: 9 = ? + 7
Show answer
Answer: 2
- SubType
- number-bonds
- Total
- 9
- KnownPart
- 7
- MissingPart
- 2
- Difficulty
- medium
Number bond: 5 = 1 + ?
Show answer
Answer: 4
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 1
- MissingPart
- 4
- Difficulty
- medium
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 Medium 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.