 Geometry Solutions  This site offers geometry based practice questions, calculators and stepbystep solutions.
 Virtual Manipulatives  Utah State University's library of free online manipulatives for geometry  all grade levels.
 Artist Toolkit  Teach how artists view the visual world through these interactive tutorials and demonstrations. Many are based on geometric shapes and patterns. Use this site to see examples of geometry in art.
 Classmate Math  A 30day free trial to a commercial site, but offers video instruction, animations, and assessment tools for algebra and geometry.
 Geometry Presentations  Some highly visual presentations on things such as patterns and line symmetry.
 Formula to Go  A list of common formulas used in algebra and geometry.
 Interactive Spreadsheets  Under shape and measure, downloadable spreadsheets and other resources from the UK. You can find other resources by level or age on the left menu.
 Pythagorean Theorem  A simple animation to demonstrate the theorem.

 Google SketchUp  Free 3D design software. Students can create everything from homes to lego with geometric shapes and measurements. Also try BlockCAD, which creates 3D Lego creations.
 Geometry Gala  A collection of videos to demonstrate various geometric theorems.
 Geometry Junkyard  A wide range of topics in geometry with links to proven activities and online resources.
 EZ Geometry Visual Dictionary  A visual dictionary for geometry terms. Many visuals are animated. You have to sign up, but it's free.
 PBS Mathline  Some interactive tools and activities to study geometry in interesting scenarios throughout history and today.
 Jim Reed  An Alberta teacher created a site with Flash animations for algebra, number sense, geometry, and statistics/probability. Lots to choose from.
 MathSite  Some professional interactive math applications for people to experiment with mathematic principles. Most seem to be based in geometry.
 Inca Geometry  Some excellent Flash presentations dealing with geometric theorems, just scroll through  as it is mixed with information on Peru.
