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Get ready for 3rd grade math! Learn the skills that will set you up for success in addition and subtraction; multiplication and division; fractions; patterns and problem solving; area and perimeter; telling time; …

Interactive lessons and practice problems to help third graders represent and interpret data effectively.

Math isn't just about numbers - it's about patterns, too! In this unit, you'll figure out how to spot patterns in different types of problems and learn cool strategies to solve them. You'll tackle word problems, …

Created by experts, Khan Academy’s library of trusted, standards-aligned practice and lessons covers math K-12 through early college, grammar, science, history, AP®, SAT®, and more.

How heavy is that rock? How much water can that jar hold? These are just a few of the questions we'll tackle in this unit as we learn all about mass and volume!

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Practice Understand decomposing figures to find area Get 3 of 4 questions to level up!

Let's build a solid foundation of place value, adding, and subtracting smaller numbers so that we'll be ready for adding and subtracting larger numbers in third grade.

14 units · 142 skills Unit 1 Intro to multiplication Unit 3 Addition, subtraction, and estimation Unit 4 Intro to division Unit 5 Understand fractions Unit 6 Equivalent fractions and comparing fractions