Discovery http://kids.discovery.com/
National Geographic http://www.nationalgeographic.com/kids/
Quizzes that allow you to earn rice to feed the hungry. http://www.freerice.com/
Order of Operations Practice http://amby.com/educate/ord-op/pretest.html
Practice Typing http://www.auntlee.com/kids/fowl_words_game.html
Local News: Read the Newspaper http://www.wcpo.com/