Quia
Quia: Polyatomic Ions Quiz
This site gives you a little Quiz about how much you really know about polygons.
Other
Maths Net Interactive: Interactive Geometry: A Glossary
Click on the appropriate word to view a small graphic depicting the term, or click to the crossword puzzle version of thisinteractive glossary.
Soft Schools
Soft Schools: Geometry and Spatial Reasoning Quiz
This quiz consists of ten multiple-choice questions that focus on area, perimeter, ordered pairs, and angles. At the end of the quiz, a summary of the results is shown, and students may review missed questions.