ELA and Math
http://www.mobymax.com is used for Math and Reading. It is free and the students already have their passwords.
*http://www.GetEpic.com Has millions of books on any topics and levels and is a minimal fee per month. It also contains books that are Read to Me and several educational videos.
*Math fact Practice
Are you looking for free online math games? At Math Play you can find a wide variety of fun games that you can play online. Most games are suitable for elementary and middle grades. They are organized by grade level, content, and game type.