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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. It’s all free for learners and teachers.
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 perimeter.
Math: Pre-K - 8th grade; Pre-K through grade 2 (Khan Kids) Early math review; 2nd grade; 3rd grade; 4th grade; 5th grade; 6th grade; 7th grade; 8th grade; 3rd grade math (Illustrative Math-aligned) 4th grade math (Illustrative Math-aligned) 5th grade math (Illustrative Math-aligned) See Pre-K - 8th grade Math
This Arithmetic course is a refresher of place value and operations (addition, subtraction, division, multiplication, and exponents) for whole numbers, fractions, decimals, and integers. If you are learning the content for the first time, consider using the grade-level courses for more in-depth instruction.
Looking for free math worksheets? You’ve found something even better! That’s because Khan Academy has over 100,000 free practice questions. And they’re even better than traditional math worksheets – more instantaneous, more interactive, and more fun! Just choose your grade level or topic to get access to 100% free practice questions ...
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Learn eighth grade math—functions, linear equations, geometric transformations, and more. (aligned with Common Core standards)
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Inspire a lifetime of learning with our educational app for kids ages 2-7. Kids can learn reading, writing, math, counting, ABCs, addition, subtraction, social-emotional skills, & more. 100% free on iPhone, iPad, Android, and Amazon
Learn third grade math—fractions, area, arithmetic, and so much more. This course is aligned with Common Core standards.