3rd Grade Multi-digit addition Worksheets
Ages 8-9 · Free previews · Print-ready PDFs
Written by Sarah Chen, Curriculum Developer, M.Ed.
Free printable multi-digit addition worksheets for 3rd grade students (Ages 8-9). All worksheets are aligned to Common Core standards and ready to print.
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Add a 2-digit and 1-digit number, no regrouping - Purple Notebook
GradeGrades 2 & 3
TopicAddition
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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.
Add 1 & 2-digit numbersAdd 1 & 2-digit numbers (missing addend)Complete one hundred (missing addends)Add a 2-digit & two 1-digit numbersAdd 3 & 1-digit numbersAdd whole tens to 2-digit numbersAdd whole tens to 2-digit numbers (missing addend)Add two whole tens and two 1-digit numbersAdd whole tens (3 addends)Add whole tens (4 addends)Add whole hundreds (2 addends)Add whole hundreds (3 addends)Add whole hundreds (missing addends)Add to complete whole thousandsAdd whole thousands and hundredsAdd whole thousands to a numberAdd two 2-digit numbers, no carryingAdd two 2-digit numbersAdd two 3-digit numbers, no carryingAdd two 3-digit numbersAdd three 3-digit numbersAdd four 3-digit numbersAdd two 4-digit numbersAdd three 4-digit numbersAdd four 4-digit numbersGrade 3 addition word problemsAddition factsTwo-digit additionAddition
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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