Learn fourth grade math—arithmetic, measurement, geometry, fractions, and more. This course is aligned with Common Core standards.

Addition and subtraction are key skills for any math whiz. In this unit, you'll sharpen those skills by working with multi-digit numbers. You'll also learn how to round and estimate, so you can …

Master division concepts with Khan Academy's engaging lessons, interactive exercises, and visual tools designed for fourth-grade students.

Get ready for 4th grade math! Learn the skills that will set you up for success in place value; addition and subtraction; multiplication and division; fractions; plane figures; and area and …

Just when you thought multiplication couldn't get any more exciting, we're throwing 2-digit numbers into the mix! We'll explore different strategies like area models, partial products, and …

It's time to master place value! In this unit, you'll use blocks and tables to learn all about expanding, standardizing, and writing numbers. You'll also sharpen your skills in comparing …

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

Do you love solving math puzzles? Then you're going to love learning how to multiply fractions! From multiplying fractions and whole numbers to using fraction models and number lines, this …

4th grade math 14 units · 154 skills Unit 1 Place value Unit 2 Addition, subtraction, and estimation Unit 3 Multiply by 1-digit numbers