Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Augmented Matrices
Seventeen problems present a variety of practice working with augmented matrices. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button...
Interactive Mathematics
Interactive Mathematics: Matrices and Linear Equations
Examples are provided to demonstrate how to use matrices to solve 2x2 and 3x3 matrices. Examples include real world applications and some are interactive.