Khan Academy
网页Explore 2nd grade math topics like addition, subtraction, place value, measurement, and shapes with Khan Academy's aligned Common Core curriculum.
2nd grade | Math - Khan Academy
网页Early math review; 2nd grade; 3rd grade; 4th grade; 5th grade; 6th grade; 7th grade; 8th grade; See Pre-K - 8th Math; 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;
Geometry | 2nd grade | Math | Khan Academy
网页About this unit. Are you ready to dive into the world of shapes? In this geometry unit, you'll learn all about squares, rectangles, and more. Plus, you'll find out how to split them into equal parts for even more fun!
6th - Khan Academy
网页Early math review; 2nd grade; 3rd grade; 4th grade; 5th grade; 6th grade; 7th grade; 8th grade; See Pre-K - 8th Math; 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;
Khan Academy
网页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.
Khan Academy
网页Learn first-grade math concepts, such as addition and subtraction, with interactive exercises and video lessons on Khan Academy.
Algebra 1 - Math | Khan Academy
网页The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a function; Exponential models; and Quadratic equations, functions, and graphs.
What I love about our new and improved second-grade course
网页2020年7月30日 · The new and improved second-grade course provides learners with a smooth progression through the Common Core Math Standards. We’ve added more than 20 new exercises to the course to allow greater depth and breadth of learning.
Free Math Worksheets - Khan Academy Blog
网页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: Early math; Kindergarten; 1st grade; 2nd grade; 3rd grade; 4th grade; 5th grade; 6th grade; 7th grade; 8th grade; Basic geometry; Pre-algebra ...
8th grade - Math | Khan Academy
网页Unit 3: Linear equations and functions. Our mission is to provide a free, world-class education to anyone, anywhere. Khan Academy is a 501 (c) (3) nonprofit organization. Donate or volunteer today!