Solve all sorts of word problems with crazy contexts that use polygons on the coordinate plane. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This study guide on Geometry covers some key vocabulary, drawing and labeling diagrams, describing geometric figures, and basic postulates for points, lines, planes, and intersections. It is available for download with free registration.

The tutorial examines basic geometry vocabulary. Definitions and examples of a point, line, line segment, ray, and plane are included.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to translate a figure. They examine guided notes, review examples, watch instructional videos, and try practice problems.

Explore finding and measuring perimeter of figures.

Students use this interactive website to explore tangrams by connecting the pieces.

This site explains a method for finding the surface area of a cone. It has several plane geometry formulas.

This resource features information on the point-slope form in geometry. It provides a good definition, several examples, and information on various forms.

Students complete activities using GeoGebra to explore geometry concepts such as the coordinates of points.

The resource explores basic terms used in geometry. The tutorial defines a point, line, and plane. Examples are included.

This site from the University of Saskatchewan provides an explanation of similar triangles, the Pythagorean theorem, and the distance between arbitrary points in a plane. Example problems for each of these concepts are provided.

A ten question test for assessing measurement concepts of area and perimeter. Assessment is scored online and student scores are compared with other students who have taken the assessment. Great assessment tool.

A complete reference guide to points. It provides definitions and an interactive activity that enhances further explanation. Includes links to related topics.