Sharpen your logic and and pattern recognition skills with this four triangles puzzle. The solution is available to check your work.

This one page website offers an excellent challenge involving a cube. Can you visualize it? Check out the solution right at the website.

Investigating designs and shapes in quilts around the world is the activity in this internet exploration. Learners will also design their own quilt on paper or on the computer. Acrobat Reader required.

This applet helps students visualize the shapes of shadows cast by a cube with a light coming from different angles. This helps students visualize shapes from different angles and to identify, sketch and classify the cross-sections of...