Captain Shreve Web Site http://www.captainshreve.com
Caddo Parish School Board web site http://www.caddo.k12.la.us
McDougall Littell's Geometry Book website This site has online examples, state test practice, self-scoring quizzes, flashcards and crosswords to help students study at home. http://www.classzone.com/books/geometry/index.cfm?state=LA
Purplemath is an excellent site for resources on a variety of math topics. It provides information, examples, etc. http://www.purplemath.com
Hotmath provides alternative explanations for a variety of math topics, including simplifying radical expressions. http://www.hotmath.com
Regents Prep is a site from New York state for their state exam, but has excellent resources. http://regentsprep.org/Regents/math/radicals/Lsimplify.htm