The distributive property of multiplication over addition allows us to eliminate the grouping symbol, usually in the form of parenthesis. Illustrates the basic pattern or formula and how to apply it.

This online tutorial contains the binomial formula and examples.

Kids learn about Solving Algebra Equations with Addition and Subtraction. Add and subtract from both sides. Example math problems are shown on page.

Kids learn about Solving Algebra Equations with Multiplication and Division. Multiply or divide from both sides. Example math problems are found on the site.

Learn all about the Pythagorean Theorem by viewing examples and a video lesson.

Given a verbal description of a real-world relationship, determine the sequence that models that relationship. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Provides examples and a video lesson that illustrate the Pythagorean Theorem which provides us with the relationship between the sides in a right triangle. [4:41]

This Purplemath lesson provides formulas, equations, graphs and explanations of systems of equations.

Investigate finding the midpoint of a line segment and derive the formula for the midpoint of two points on a coordinate plane. This lesson plan was created by exemplary Alabama Math Teachers through the AMSTI project.

An introductory tutorial on sequences, complete with important definitions, example problems and step-by-step solutions, and several practice exercises for you to complete and check. Provides good explanations and examples of arithmetic,...

This site from Mathworld.com provides a detailed overview of vectors in algebra, and includes numerous formulas and examples.

Find the distance between a point and a plane using the algebraic formula for the plane and the Cartesian points. This MathWorld page has a labeled diagram to help clarify the equation variables.

This tutorial supplies a general formula (similar to the quadratic formula) to find the roots of a cubic polynomial.

Given the explicit formula of a geometric sequence, find its recursive formula, and vice versa. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

How would you find the area of a polygon or circle? Explore this concept with engaging activities at this test prep site. Here you will find detailed problem solving strategies with accompanying visuals, a reference table with formulas,...

Given the formula of a sinusoidal function, determine its amplitude. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Presented in Spanish, this site provides math tables and formulas from addition to calculus. Also links to a Spanish-English dictionary of mathematical terms.

This resource provides a description and formulas for finding the triple product.

In this section we will discuss logarithm functions, evaluation of logarithms and their properties. We will discuss many of the basic manipulations of logarithms that commonly occur in Calculus (and higher) classes. Included is a...

In Spanish. Clear step by step directions, explanations and example problems of quadratic equations. Explains factorization, the quadratic formula, and completing the square.

In a video game called Snake, a player moves a snake through a square region in the plane, trying to eat the white pellets that appear. This task has students approach a function via both a recursive and an algebraic definition, in the...

Given the center and radius of a circle, determine if a point is inside of the circle, on the circle, or outside of the circle. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...

Picture a roll of toilet paper; assume that the paper in the roll is very tightly rolled. Assuming that the paper in the roll is very thin, find a relationship between the thickness of the paper, the inner and outer radii of the roll,...

In this exercise, students practice identifying slope of a line. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.