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.

Online activities are given to explore space and shape in geometry.

Understand theorems and proofs as they relate to geometry.

Learn about congruence in geometry.

This site gives a lesson on school bus (Taxicab) geometry. The lesson includes distances and midpoints in taxicab geometry.

This is a site for geometry lovers. Chock-full of puzzles, games, interesting geometry facts, and online activities.

The Math Forum offers an archive of question and answer sessions on circles and how they relate to geometry.

[Free Registration/Login may be required to access all resource tools.] Recognize reflections as flips and also identify lines of reflection. Includes lots of examples, as well as review exercises. Other sections of the tutorial offer...

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.

[Free Registration/Login may be required to access all resource tools.] This study guide looks at properties and theorems about trapezoids and kites.

[Free Registration/Login may be required to access all resource tools.] This study guide looks at the characteristics of spheres and how to calculate the surface area and volume.

[Free Registration/Login may be required to access all resource tools.] This study guide reviews terminology for triangles, triangle properties, different types of triangles, and interior and exterior angle theorems.

[Free Registration/Login may be required to access all resource tools.] This study guide reviews the formulas for area and perimeter of triangles and different kinds of quadrilaterals.

[Free Registration/Login may be required to access all resource tools.] This study guide looks at several examples of self-similarity.

[Free Registration/Login may be required to access all resource tools.] This study guide reviews the surface area and volume of prisms and cylinders.

[Free Registration/Login may be required to access all resource tools.] This study guide looks at proportionality theorems for triangles and parallel lines intersected by transversals.

This study guide on circumference and arc length covers key vocabulary, the parts of a circle, and formulas for circumference, area, and arc length. It is available for download with free registration.

Watch and learn how to classify angles then test your knowledge.

Learn how probability is used to analyze fairness and decisions.

Take a look at three techniques for counting outcomes.

Understand points that partition line segments.

Learn how to calculate the conditional probabilities of events based on information in a table.

Explore the measurement of cylinders.