Play Tic Tac Toe while practicing your skills of identifying an angle as being acute, obtuse, right, or straight in this online game.

Students explore four types of angles in this interactive web lesson.

[Free Registration/Login Required] This flipchart gives an introduction to angles, reading a protractor, naming and classifying angles. It also includes opportunities to practice these skills. The lesson is aligned with the 5th grade...

Determine if an angle is acute, right, or obtuse. A protractor is provided. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

Students can review basic geometric terms using these self-check, multiple choice questions. Three levels of questions are provided.

Practice identifying triangles as either acute, right, or obtuse in this interactive game.

Practice finding the area of right, acute, and obtuse triangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

[Free Registration/Login may be required to access all resource tools.] In this learning module, students are presented with a composite figure and must identify the types of triangles within it. An accompanying video demonstrates a...

Brush up on your math skills relating to the types of triangles then try some practice problems to test your understanding.

You can assess your knowledge of the various parts of angles and lines at this web site. You respond to a series of questions. A running total is visible showing the number of correct responses you have as you work your way through the...

Do you need practice remembering or learning different geometry vocabulary words and definitions? This word search is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if you are...

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on length of sides.

[Free Registration/Login may be required to access all resource tools.] Students watch a video overview and attempt practice problems on classifying triangles based on the number of equal sides.

A labeled illustration of six different types of triangles.

Explore the different types of triangles and other properties.

This website has basic definitions for most polygons, regular and irregular.