This is a list of interactive math sites.
Junior High Math : Great videos to help you out and some fun interactive games!
Illuminations : This site comes from the National Council of Math Teachers and includes some great games and on-line manipulatives.
Interactivate : Includes games and on-line manipulatives but this link is to the on-line glossary of math terms.
Math Playground : Some good games, manips but you can also make your own worksheets at this site!
Math Games Galour! Enough Said!