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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.
Master Algebra I with Khan Academy's interactive lessons and practice exercises, covering key concepts and problem-solving techniques.
Math: Get ready courses; Get ready for 3rd grade; Get ready for 4th grade; Get ready for 5th grade; Get ready for 6th grade; Get ready for 7th grade; Get ready for 8th grade; Get ready for Algebra 1; Get ready for Geometry; Get ready for Algebra 2; Get ready for Precalculus; Get ready for AP® Calculus;
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Math: Get ready courses; Get ready for 3rd grade; Get ready for 4th grade; Get ready for 5th grade; Get ready for 6th grade; Get ready for 7th grade; Get ready for 8th grade; Get ready for Algebra 1; Get ready for Geometry; Get ready for Algebra 2; Get ready for Precalculus; Get ready for AP® Calculus; Get ready for AP® Statistics
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.
High Quality Prep for every section of the digital SAT with guidance from Khan Academy’s team of math, reading, and writing experts. Free Access all of our digital SAT prep materials for free—anytime, anywhere.
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These courses will allow students to: Read articles, watch videos, and work on thousands of practice exercises for every skill evaluated in the tests. Take quizzes, unit tests, and course challenges to track and prove your mastery level in all skills.
The new Official Digital SAT Prep courses will fully replace our older Official SAT Practice product and materials by December 31, 2023. Students will still be able to use Khan Academy to prepare for the new Digital SAT through our two Official Digital SAT Prep courses (Math and Reading and Writing). These courses will allow students to: