Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Transformations Exercises
Twenty-five problems cover the various transformational geometry topics in different settings. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Math Cats
Math Cats: Visit Tessellation Town on Tile Island!
Go to Tessellation Town on Tile Island and create a variety of tessellations.
Wolfram Research
Wolfram Math World: Semiregular Tessellations
This one page Mathworld site has a number of examples of semiregular tessellations. A definition and a small amount of related information is given at the bottom of the page.
CK-12 Foundation
Ck 12: Plix: Accuracy and Precision
[Free Registration/Login Required] In this interactive you will slide the red dot right to see how well each of the throwers can throw. You will need a sign-in to access this media, but it will be well worth your time!