Tate
http://www.trails-9.org/session/135427
Taylor
Pretest
http://www.trails-9.org/session/135428
Biddle
Pretest
http://www.trails-9.org/session/135426
Encyclopedia Britannica
The world's greatest encyclopedia for you to use for free.
http://school.eb.com
ABCya! games
Educational computer games
http://www.abcya.com/
Newsla
A news service just at your reading level. Readers can be assigned specific articles, read, then pass a quiz on what they read.
http://www.newsela.com/