Khan Academy: Basic Matrix Operations: Introduction to the Matrix

Two real-world activities to practice adding, subtracting and multiplying matrices to problem solve. Data from several Pro football quarterbacks is used in one activity to make some predictions based on their stats. Then the class takes...

The symbolic nature of mathematics is perplexing to some scholars. Help them out using a video lesson that offers explanations and examples of how to read a mathematical sentence. By translating expressions and equations into words,...

Sal illustrates more involved equations in this last video in a series. It follows "Simple Equations" and "Equations 2". He continues using color-coded markings to help increase students' understanding of a more complicated equation:...

Adding and subtracting matrices.

A video of how to transpose a matrix. [3:42]

This video introduces the concept of order of operations with several examples.

A video lesson introducing conic sections. Includes a sketch of each of the four fundamental conic sections in two dimensions. Also explains why they are called conic sections by illustrating how each is the intersection of a cone and a...

Finding the transformation matrix with respect to a non-standard basis.

This lesson goes through three examples of matrix multiplication. Explains how the dimensions of matrices affect whether or not the matrices can be multiplied, how to determine if they can be multiplied, and what size the resulting...

Learn how to do scalar multiplication with matrices. [2:17]