Explore major math functions like sine, cosine, and tangent! Learn to graph trigonometric functions and understand key ...

Want to help your eighth-grader master math? Here are some of the skills your child will be learning in the classroom. Understand rational and irrational numbers. Know that a rational number can be ...

There’s a line from the original Star Trek where Khan says, “Improve a mechanical device and you may double productivity, but improve man and you gain a thousandfold.” Joan Horvath and Rich Cameron ...

Prepares students for Precalculus and other higher math courses requiring intermediate algebra. Topics include: linear equations and inequalities, absolute value equations and inequalities, systems of ...

It’s a standard conversation between math students and teachers all around the world: Student: “Why do I need to know this stuff anyway?” Teacher: “Because it will show up on the SAT and you need it ...

Want to help your 12th-grader master math? Here are some of the skills your child will be learning in the classroom. For high school students, math skills and understandings are organized not by grade ...