How to add and subtract radical expressions.
How to add and subtract complex numbers.
How to know when to include a absolute value when simplifying a square root.
How to solve an equation with a square root.
Using the number line to represent adding and subtracting whole numbers
How to find the roots of a complex number quickly using four simple guidelines.
Adding and subtracting polynomials with pictures or aligning vertically
How to determine whether a square matrix is invertible using its determinant.
How to define a rectangle and a square.
How to add and subtract rational expressions.
How to define factorial expressions used in the binomial theorem.
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 factor perfect square trinomials.
How to find the vertex of a parabola.
How to simplify radicands.
How to determine whether two matrices are inverses.
How to add vectors geometrically two ways.