Addition & Subtraction Resources for 3rd Grade

Explore 10 curated addition & subtraction learning resources designed for 3rd Grade students. Browse curricula, apps, videos, worksheets, and more to find the perfect fit for your learner.

Printable Worksheet Maker

Free generators for printable math worksheets with answer keys, plus graph paper and lined paper. Pick a grade or skill, adjust it, print or save a PDF. No account.

Addition and subtraction within 100

Learn to add and subtract two-digit numbers within 100....

Addition and subtraction

In this tutorial, we'll start adding and subtracting numbers that have two (yes, two!) digits. We won't be doing any carrying or borrowing (you'll learn what those are shortly) so you can see that adding or subtracting two digit num...

Addition and subtraction

Learn how to add numbers like 259 + 363. These addition problems are a harder than the ones we've done before because they require regrouping (also called carrying)....

Addition and subtraction intro

When we add, we put together. When we subtract, we take apart. Numbers used are 10 or less....

Addition and subtraction within 1000

Learn how to solve addition problems by adding ones, tens, and hundreds....

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Addition and Subtraction

Series of lessons and exercising focused on addition and subtraction, including adding and subtracting tens, adding with regrouping, doubles, repeated addition, subtracting with regrouping, and more....

DragonBox Big Numbers App - Long Addition & Subtraction

Put your child in charge of building a wonderful world for the Nooms. Learn how big numbers work through play and exploration. Learn to perform long additions and subtractions. Grow, gather and trade resources to unlock new worlds, and build house...

Math Practice Games

Large collection of free online math games to practice math facts and logic such as sudoku, Make 15, and Color 21....

15Worksheets.com

A group of retired teachers making free worksheets available for teachers, homeschoolers, and tutors.