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Learn fourth grade math—arithmetic, measurement, geometry, fractions, and more. This course is aligned with Common Core standards.
These materials enable personalized practice alongside the new Illustrative Mathematics 7th grade curriculum. They were created by Khan Academy math experts and reviewed for curriculum alignment by experts at both Illustrative Mathematics and Khan Academy.
Khan Academy Kids is a fun and engaging program for children ages two to eight that covers core subjects like literacy, math, and social-emotional skills. It is 100% free, ad-free, and aligned with learning standards, and offers personalized and adaptive learning paths for every child.
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
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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
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
Grade 4 Math. Course: Grade 4 Math > Unit 1. Lesson 1: Lesson 1: Place Value and Number System. Comparing multi-digit numbers. Compare multi-digit numbers. Comparing whole number place values. Compare multi-digit numbers written in different forms. Place value blocks . Place value blocks.
Learn how to master math skills with different approaches, including classroom instruction, online courses, and AI-powered tutoring. Discover the benefits of math learning and the resources offered by Khan Academy, such as Khanmigo, the 24/7 AI-powered tutor.