Intermath Dictionary's site defines terms relating to angles, gives examples, and offers interactive exercises.

A complete reference guide to the average value. It provides a definition and examples that enhance further explanation. Includes links to related topics.

Explains the basic concept of perpendicular lines with step-by-step instructions and methods for solving specific problems on your own relating to this topic.

This lesson is designed to have students use linear programming to relate mathematics to the business world. Students calculate profits for a furniture business to prepare for the famous, semi-annual "Furniture Market" in North Carolina.

In this task, 8th graders are presented with two intersecting line graphs and their linear equations. No values are shown on the axes. They are asked to interpret the constants in the equations in terms of their graphs, and make some...

Explore the relationship between the center and radius of a circle and the equation of the circle. Collect data and determine regression equations related to various combinations of data, and use the regression equations to make...

Describes and gives good examples relating to the slopes of parallel and perpendicular lines.

Students must find out the downstream distance that a boat travels when its heading relative to the water is perpendicular to the way the water is moving.

Students must find out the downstream distance that a boat travels when its heading relative to the water is not perpendicular to the way the water is moving.

A complete reference guide to finding the intercept of a line. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

Learn about cubic functions with this helpful reference tool. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

Overview of correlation coefficient, or a number between 1 and -1 which measures the degree to which two variables are linearly related. It is followed by a description of the Pearson product moment correlation coefficient.

This site provides a detailed explaination of symmetry and many links to related topics.

This lesson presents the standard form and the general form for the equation of a circle, and relates the two. It is 5 of 5 in the series titled "Equations for the Circle."

Try drawing something from a bird's-eye view and change your usual perspective of that object. Relates this drawing-from-above concept to artist Georgia O'Keeffe.

This lesson presents the standard form and the general form for the equation of a circle, and relates the two. It is 3 of 5 in the series titled "Equations for the Circle."

Students will enjoy this data collection and class analysis experiment involving the time it takes for a hand squeeze to travel around a circle of people. From organizing the activity to collecting the data to making a table and graphing...

A reference page explaining what momentum and impulse are. Also learn how they are related to force.

Instructional module focusing on the scientific method as a process of investigation into the natural world rather than a linear collection of facts. Site also includes an interactive practice quiz and links relating to the topic.

[Free Registration/Login may be required to access all resource tools.] Definition of a function and how to identify a function.

This lesson provides basic instruction on the major concepts in algebra. Content includes a focus on fractions, units of conversion, complex numbers, quadratic equations, factorization and roots of polynomials, solving equations, systems...

Definitions of the basic concepts in statistics. Great for review and discussion or for introduction into topics.

Part of the NASA website, this is a reprint of an article in the Journal of the Royal Astronomical Society of Canada about Edwin Hubble's life and accomplishments, stressing his role in the development of modern astronomy.

The student will be able to identify and determine reasonable values for the domain and range from any given contextual situation.