Learn third grade math—fractions, area, arithmetic, and so much more. This course is aligned with Common Core standards.

Practice Quiz 3 Level up on the above skills and collect up to 240 Mastery points Start quiz

Quiz 3 Level up on the above skills and collect up to 160 Mastery points Start quiz

Practice Break apart 3-digit subtraction problems Get 3 of 4 questions to level up!

This course for younger learners features engaging video instruction and opportunities to read and analyze challenging grade-level texts. Learn more about Khan Academy’s ELA courses here.

Come explore the wonderful world of fractions! In our 3rd grade unit, you'll learn how to break numbers into bite-sized pieces, plot them on a number line, and show them off in a tape diagram.

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; …

Unit 1 Measurement and geometry Unit 2 Numbers and algebra Unit 3 Data and probability

3rd grade math (Illustrative Math-aligned) This course contains Khan Academy practice problems crafted to support the Illustrative Math (IM) curriculum.

Relate division to multiplication word problems Get 3 of 4 questions to level up!