How to determine whether two matrices can be multiplied, and if so, what the dimensions of the product will be.
How to talk about matrices.
How to use matrices to solve a system of linear equations.
How to add and subtract complex numbers.
How to use matrices to solve a system of equations.
Using the number line to represent adding and subtracting whole numbers
Adding and subtracting polynomials with pictures or aligning vertically
How to use simple matrix operations.
How to determine whether a square matrix is invertible using its determinant.
How to add and subtract rational expressions.
How to determine whether two matrices are inverses.
Adding and subtracting fractions that have the same denominator, including a visual representation
Drawing pictures and procedures for adding or subtracting fractions with unlike denominators
How to add vectors geometrically two ways.
How to add or subtract polynomials.
How to add and subtract radical expressions.
How to add or subtract rational expressions.
How to determine the identity matrix of order n.
How to multiply matrices.
How to compute the determinant of a 2x2 square matrix.