Here are some links to pages to practice math concepts and have fun at the same time.  There is even a wonderful helper-site to use when you are stumped with your homework!

A vast assortment of games and activities to help you practice and learn in a fun way. http://www.funbrain.com/
A website created like an amusement park with math games galore. http://www.coolmath.com/
Math activities http://www.mathcats.com/
A web site designed to help you with math and let you work interactively with the computer. http://www.aplusmath.com/
Math is organized by skills and grade levels with oodles of fun ways to practice your facts.  SUPER ! !  http://www.aaamath.com
Math challenges for you and your family http://www.figurethis.org/
Rounding decimals - online quiz http://www.teachervision.fen.com/lesson-plans/lesson-2775.html
More math quizzes http://www.teachervision.fen.com/tv/tvsearch/termname=Mathematics&type=Quiz
Decimals - Fast Facts http://www.mccc.edu/~kelld/decff.htm
Homework help in math http://www.webmath.com
Harcourt (our Math Textbook)  http://www.harcourtschool.com/menu/principal.html?from=toc&tocID=227

 

Make cool graphs http://nces.ed.gov/nceskids/Graphing/
Manipulatives http://www.arcytech.org/java/patterns/patterns_j.shtml