Solving a system of linear inequalities is shown to be as easy as solving a system of linear equations! An example is explained before students are given several problems to complete on their own. Complete explanations of these are...

The mathematics session investigates arc length and radian measure. The tutorial consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes an activity that discovers radian...

Three examples are used to demonstrate solving a system of linear equations algebraically using addition and subtraction. The examples cover different situations that occur with the coefficients of the variable terms. Includes several...

Explains how a series circuit works, accompanied by an animation. Lists the rules and formulas that apply to a series circuit.

An introductory look at the definition of an inverse function, the notation used for inverse functions, and tests used to determine whether a function will have an inverse. Several examples are provided for the student to scroll through...

The method of graphing to solve a system of linear equations is demonstrated on this site. Students are shown how to graph the lines, then shown how to find the solution.

The lesson discusses solving and graphing polynomial equations of higher degree. The resource consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes an activity that...

The lesson discusses solving rational equations and inequalities. The resource consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource includes graphical support for rational equations.

The lesson discusses arithmetic and geometric sequences and series. The resource consists of class notes, calculator tips, examples, and practice problems with solutions. The teacher resource demonstrates the origins of the formulas.

This resource defines a complement, then explains how to find the probability of the complement of an event. The examples are easy to follow.

The educational resource consists of interactive games and puzzles that investigate geometry concepts. Some concepts included are angles, quadrilaterals, and circles. [Requires Java Plugin.]

Use this site to learn the trick to factoring when the polynomial is a difference of two perfect squares. The site contains examples that are easy to follow.

Students see how factoring is used to simplify rational expressions in three example problems.

This tutorial contains explanations and examples of functions that have been combined, or "compounded." The examples are easy to follow and are great for practice or review.

Defines and discusses composition of functions and what happens to the individual elements throughout the composition. Includes two worked examples.

Explains how to calculate the probabilities of independent and dependent events. Includes easy-to-follow examples.

This page uses a mouse and cheese analogy to show the relationships involved in electricity through currents and charges. Among the topics covered by the analogy are voltage, resistance and electromagnetism.

Listed steps to graph an inequality along with a example that is graphed on a coordinate plane. Easy to read and understand!

A nice page of links to follow for learning about moles. Contains links to sites that have explanations of moles and molar mass, practice problems, and more.

A basic overview of the earth's mantle, crust, inner core, and outer core. Also discusses how earthquake waves travel through the Earth.

This tutorial discusses mean, median, and mode. It introduces the frequency table and gives several examples. A practice page is included and a teacher resource page that contains an activity using manipulatives.

Explore the ideas and principles of American government including its influences, foundation, and basic tenets (such as checks and balances and federalism).

This site offers a very basic discussion of dilations. It explains what a scaling factor is and provides illustrations.

Several problems are presented to test your skills in creating and interpreting frequency tables, pie charts, box-and-whisker and stem-and-leaf plots.