Workbook Detail
Number Bonds To 20 Starter — Set 15
Number bond: 5 = 2 + ?
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Answer: 3
- SubType
- number-bonds
- Total
- 5
- KnownPart
- 2
- MissingPart
- 3
- Difficulty
- starter
Complete the number bond: 7 = __ + 6
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Answer: 1
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 6
- MissingPart
- 1
- Difficulty
- starter
Number bond: 7 = 3 + ?
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Answer: 4
- SubType
- number-bonds
- Total
- 7
- KnownPart
- 3
- MissingPart
- 4
- Difficulty
- starter
6 = __ + 5
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Answer: 1
- SubType
- number-bonds
- Total
- 6
- KnownPart
- 5
- MissingPart
- 1
- Difficulty
- starter
2 = 1 + __
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Answer: 1
- SubType
- number-bonds
- Total
- 2
- KnownPart
- 1
- MissingPart
- 1
- Difficulty
- starter
Number bond: 10 = ? + 1
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Answer: 9
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 1
- MissingPart
- 9
- Difficulty
- starter
Number bond: 10 = ? + 5
Show answer
Answer: 5
- SubType
- number-bonds
- Total
- 10
- KnownPart
- 5
- MissingPart
- 5
- Difficulty
- starter
Number bond: 3 = 2 + ?
Show answer
Answer: 1
- SubType
- number-bonds
- Total
- 3
- KnownPart
- 2
- MissingPart
- 1
- Difficulty
- starter
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 Starter 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.