A guide to support parents as they work with their students in angle measure and plane figures.

In this lesson, students will learn important definitions about angles relationships an use those facts to solve equations.

This interactive resource provides an example picture of the geometric figure chosen by students to review.

Learn about the circumcenter of a triangle with this handy reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.

Learn all about the basic geometric constructions in this test prep lesson. You will explore line segments and points, and understand key terms like the terms parallel and perpendicular. Construction activities and interactive online...

This site from the Northeast Parallel Architectures Center, Syracuse University has a very substantial discussion of math topics slope & line equations. The outline form is quite useful if you need to zero in on one aspect of...

Explore the motion of a cylinder that spins around its axis at the same time as it rotates around a line that is perpendicular to this axis.

Examine three examples of the Coriolis Effect with reference to wind. The effect is that when an object is moving perpendicular to the rotation of a sphere the object will appear to travel in a curved line. Prevailing winds will look as...

This graphing game challenges players to supply the coordinates for points shown on a series of graphs and also to plot pairs of coordinates on simple Cartesian planes.

[Free Registration/Login may be required to access all resource tools.] Decide which method is the best one to use to solve a system of linear equations.

A map from 1903 of New Hampshire showing the capital of Concord, counties and county seats, principal cities and towns, railroads, rivers, and mountain ranges. "New Hampshire, one of the New England States of the American Union, lies...

This lesson on slope explains the slope concepts, demonstrates how to use the slope formula, shows how to find slope in horizontal and vertical lines, and how to use slope to find whether the lines through the pairs of points are...

This lesson on slope explains the slope concepts, demonstrates how to use the slope formula, shows how to find slope in horizontal and vertical lines, and how to use slope to find whether the lines through the pairs of points are...

This site gives a student a tutorial on how to draw various planes. The site includes information on drawing intersecting planes, parallel planes, perpendicular planes, and a line intersecting two parallel planes.