Twiducate.com is used for students to keep track of homework, deadlines and things that are due. i have posted a math song about percents and a web site for math 2.0 tools. i like twiducate because you just post stuff. http://twiducate.com/login.php
Avatar~ the site i used was meez.com. http://www.meez.com/ i would recommend it to a friend because the avatar is 3d. (it wont let me put a pic of my avatar). :)
google docs~ we used google docs to make dos and donts for the class. its better than word because everybody can write something on it @ the same time. https://docs.google.com/document/edit?id=1g4rxdNCHjfcfdMXKL1AQMK_mzQsvybSX2LwCHd7pem0&hl=en&authkey=CLX5lLgJ
google groups~ the class google group is called tesalgebraorange.you can discuss things online or email people. homework can be in the google group.