Try to get 1,000,000 stars!
http://www.quia.com/rr/162511.html
Play with a partner!
http://www.shodor.org/interactivate/activities/AlgebraFour/
Practice Graphing Functions
http://www.classzone.com/cz/books/msmath_2_na/resources/applications/animations/chapter_7/html/g7_7_8.html