Free Educational Videos for Students in K-12

Best educational videos to complement children’s learning. Instructional and ‘how to’ videos that explain concepts and help build essential skills. Find thousands of Khan academy videos, Lumos Learning videos along with many other interesting resources from top publishers. Recommend helpful videos to colleagues, friends, or students. Share feedback and submit reviews.


Limits 1d - Polynomial and Rational Functions


By MathDoctorBob

Calculus: We approach limits from a more abstract perspective. Using the limits for constants and f(x) = x, we build up the evaluation rule for polynomial and rational functions. General rules for limits algebra are given.

Multiplying binomials and polynomials | Algebra Basics | Khan Academy


By Khan Academy

This instructor in this ten-minute video, Sal Khan, demonstrates how to multiply polynomials. Mr. Khan uses the Paint Program (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The student or educator may want to open the video to 'full screen' as the instructor is using a black background and the writing is small

The Binomial Theorem - Example 1


By PatrickJMT

This is a longer example of how to expand the Binomial Theorem, and one example using it.

Compound inequalities 2 | Linear inequalities | Algebra I | Khan Academy


By Khan Academy

Compund Inequalities 2. All Khan Academy content is available for free at www.khanacademy.org

Angles formed between transversals and parallel lines | Geometry | Khan Academy


By Khan Academy

Khan Academy presents Angles formed between transversals and parallel lines, an educational video resource on math.

How to Find the Area of Geometric Shapes


By eHow

Finding the area of geometric shapes requires being familiar with their respective formulas, as each type of shape involves different methods and equations. The instructor uses a document camera to model examples.

Solving a Geometry Word Problem by Using Quadratic Equations - Example 1


By PatrickJMT

Solving a Geometry Word Problem by Using Quadratic Equations - Example 1

Garfield's proof of the Pythagorean theorem | Geometry | Khan Academy


By Khan Academy

Khan Academy presents Garfield's proof of the Pythagorean Theorem, an educational video resource on math.

Solving for 'X' ; Quadratic Equations Involving the Pythagorean Theorem - Example 3


By PatrickJMT

The Pythagorean Theorem - Just a few basic problems using the pythagorean theorem along with an application problem using the pythagorean theorem.

Trigonometric Functions To Find Unknown Sides of Right Triangles, Ex 1


By PatrickJMT

Trigonometric Functions To Find Unknown Sides of Right Triangles, Ex 1. In this video, I use information about the length of the hypotenuse of a right triangle as well as a trig value to find the area of the triangle.