3rd Grade Addition Worksheets
Ages 8-9 · 30 sub-topics · Free previews · Print-ready PDFs
Free printable addition math worksheets for 3rd grade students (Ages 8-9). Covers Add 1 & 2-digit numbers, Add 1 & 2-digit numbers (missing addend), Complete one hundred (missing addends), and more. Aligned to Common Core standards.
Written by Adi Ackerman, Head Teacher
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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.
More math worksheets
Explore all of our 3rd grade math worksheets, covering place value and rounding, addition, subtraction, multiplication, and more.
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