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.

Ex: Find the Equation of a Quadratic Function from a Graph

By Mathispower4u

This video explains how to determine the equation of a quadratic function from a graph. It used the standard form of a quadratic function and then write the standard form in general form. Complete Library: http://mathispower4u.com

Quadratic Regression

By Khan Academy

This instructor in this video, Sal Khan, uses a calculator to perform a quadratic regression. Mr. Khan uses computer software (with different colors) to illustrate his points. Sal Khan is the recipient of the 2009 Microsoft Tech Award in Education. The viewer may want to open the video to 'full screen' as the instructor fits a lot of information on a dark screen.

Comparing linear functions 1 | Algebra I | Khan Academy

By Khan Academy

Comparing linear functions 1 | Algebra I | Khan Academy

Trigonometry identity review/fun | Trig identities and examples | Trigonometry | Khan Academy

By Khan Academy

This video lecture series from Khan Academy on Trigonometry includes Radians and Degrees, Using Trigonometric Functions, The Unit Circle definition of trigonometric function, Graph of the Sine Function, graphs of Trigonometric Functions, Trigonometric Identities, Law of Cosines, Law of Sines, Polar Coordinates and Trigonometric Word Problems......

Rotation of a Geometric Figure

By Ron Barrow

A video on the rotation of a geometric figure in different degrees (90, 180, etc.).

Geometry: Reflections

By Educator

This video demonstrates a reflection in the line y=x.

Parallel Line Postulate

By Mathispower4u

A teacher defines the Parallel Line Postulate, gives an example of drawing a parallel line

5.7 Proving that Figures are Special Quadrilaterals (Lesson)

By AutenMath

5.7 Proving that Figures are Special Quadrilaterals (Lesson)

Law of Sines, Example 3

By PatrickJMT

The Law of Sines, Example 3. In this video, I just another example involving the law of sines. We are given the ratio of the lengths of the angles of the triangle and the length of the shortest side and are asked to find the length of the longest side.