Math.com - Be sure to check out all the tabs at the top of the page: homework help, practice, games,
etc.
http://www.math.com/
Math Playground - This is a great resource for practicing at home with the tools we use in class:
fraction bars, tiles, graphs, etc. There are also games and word problems you can use to practice.
http://www.mathplayground.com/index.html
Math is Fun - This site has a variety of games and puzzles for different subjects and ability levels. It
also allows you to generate your own practice worksheets.
http://www.mathsisfun.com/