Spelling Practice~ scramble or word search http://teacher.scholastic.com/tools/spelling.htm
National Geographic for Kids http://www.nationalgeographic.com/kids/
Fun activities - by girls....for girls. http://www.missoandfriends.com/
Math http://www.mathfactcafe.com
http://www.iknowthat.com/com/L3?Area=Dojo
http://www.cookmath-games.com/arithmattack.index.html