3rd Grade Addition facts Worksheets

Ages 8-9 · Free previews · Print-ready PDFs

Written by Sarah Chen, Curriculum Developer, M.Ed.

Free printable addition facts worksheets for 3rd grade students (Ages 8-9). All worksheets are aligned to Common Core standards and ready to print.

More addition worksheets

Explore all of our 3rd grade addition worksheets, covering add 1 & 2-digit numbers, add 1 & 2-digit numbers (missing addend), complete one hundred (missing addends), add a 2-digit & two 1-digit numbers, and more.

Frequently Asked Questions

Third graders should fluently add within 1,000 using strategies based on place value and properties of operations (CCSS 3.NBT.A.2). They work with three-digit and four-digit addition, including problems that require multiple regrouping steps.

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