Khan Academy: Basic Matrix Operations: Transpose of a 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...

In this basic matrix operations instructional activity, learners performed the given operation for the given matrices. This four-page instructional activity contains 24 problems. Answers are provided on the last page.

First demonstrating the improper ways of solving an equation (left-to-right, multiplication first), Sal shows viewers how the answer of an equation can be drastically incorrect by neglecting to use the order of operations. He uses...

Please Excuse My Dear Aunt Sally - or whichever mnemonic your students use for the order of operations - is the focus of this video. Sal takes viewers through various mathematical equations which require the use of the order of...

A video introducing matrices.

Adding and subtracting matrices.

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]

A video of basic set and subsets operations.

Learners investigate matrices by exploring addition, subtraction and multiplication of matrices.  Learners find the determinant and inverse of a matrix.  The instructional activity includes a set of practice problems