Number bonds worksheets
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The two parts always join together to make the whole.
Two grades, each its own sheet. Print one here, or open a grade for examples and teaching notes.
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Kindergarten Core grade
Each print is a different sheet with its own answer key. You don't need to sign up.
Number bonds worksheets show kindergartners a whole split into two parts in connected circles, with one number missing. The sheets lean on decomposing numbers and finding the partner that makes ten, so numbers become things you can pull apart and put back together.
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1st grade
In first grade, number bonds become a fluency tool: each bond within 10 is missing its whole or one part, and your child fills it in from memory. Knowing 7 is 5 and 2 without counting is what makes bigger addition feel easy later.
More on facts & fluency
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