Identify That Polygon
http://www.aaamath.com/B/geo318x4.htm
identify different polygons

 Puzzle Parlor
http://www.gamepuzzles.com/pparlor/puzzleparlmm.html
Figure puzzles, fitting pieces into geometric shapes.

Creating Floor tiles
http://www.shodor.org/interactivate/activities/FloorTiles/
Build a "floor tile" by dragging the corners of a quadrilateral. Learn about tessellations created from quadrilaterals when the shape you build is tiled over a plane.

 Tessellate Creation
http://www.shodor.org/interactivate/activities/Tessellate/
Tessellate! Create a tessellation by deforming a triangle, rectangle or hexagon to form a polygon that tiles the plane. Corners of the polygons may be dragged, and corresponding edges of the polygons may be dragged. Parameters: Colors, starting polygon.
 

 Tessellation Links
http://www.einet.net/directory/962725/Tessellations.htm

Mr. Anker's Geometry Skills Tests

http://www.henryanker.com/5th_Math_Q2.html

Check your knowledge on various geometry topics.