Noun Dunk! http://www.harcourtschool.com/activity/basketball/index.html
Grammar Blast: Nouns http://www.eduplace.com/cgi-bin/hme-quiz-directions.cgi?Grade=3&Unit=2&Topic=Nouns
Writing Evaluation http://www.eduplace.com/kids/hme/k_5/evalstation/
Grammar Glossary http://www.harcourtschool.com/glossary/grammar/index_p.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Scholastic for Kids http://www.scholastic.com/kids/
Sports Illustrated for Kids http://www.sikids.com/
Spelling Practice: Look, cover, spell http://www.ictgames.com/lcwc.html
Harcourt Math http://www.eharcourtschool.com/
Animated and Interactive Math Dictionary http://www.amathsdictionaryforkids.com/maths/dictionary.html
Math games, activities, and homework help http://www.aplusmath.com/
Mad Math Minutes http://www.softschools.com/math/games/mad_minute_math/multiplication/
Scholastic Math Hunt http://teacher.scholastic.com/mathhunt/StartGame.asp?QuizID=1
Study Island http://www.studyisland.com
The White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
Facts on the Nifty Fifty States http://www.teachersfirst.com/share/states/
Geography Games http://www.eduplace.com/geonet/
National Geographic Geography Games http://www.nationalgeographic.com/geospy/
Ben's Guide to U.S. Government: Symbols of America http://bensguide.gpo.gov/3-5/symbols/index.html
America's Library: A Guide to the Nation's History http://www.americaslibrary.gov/cgi-bin/page.cgi
Trivia Game http://www.freerice.com
Starfall: Reading Website http://www.starfall.com
If you were President... http://teacher.scholastic.com/scholasticnews/games_quizzes/electiongame/game.asp