Websites:

http://www.starfall.com/    (phonics games and online interactive books)

http://ci.owatonna.mn.us/library/    (reading resources)

www.funbrain.com    (math and reading)

http://www.abcya.com/    (math and reading)

www.spellingcity.com/    (spelling and vocabulary)

http://www.visuwords.com/  (vocabulary and visual dictionary/thesaurus)

www.readwritethink.org    (parent resource for reading and writing)

www.kids.nationalgeographic.com    (science and social studies)

http://mrnussbaum.com/    (social studies, science, math, and reading)

Math Websites:
 
www.aaamath.com   

http://www.adaptedmind.com   

http://www.coolmath4kids.com/   

http://www.gamequarium.org/dir/Gamequarium/Math/   

http://www.sheppardsoftware.com/math.htm  

http://www.eduplace.com/kids/mw/  

http://www.softschools.com/math/games/  

http://jmathpage.com/   

     (recommended for mixed numbers, division, fractions—has everything)

http://www.oswego.org/ocsd-web/games/BillyBug2/bug2.html    (math coordinates)

http://illuminations.nctm.org/Search.aspx?view=search&type=ac    (challenging math tools and games)

Math Fact Websites:

www.mathfactcafe.com/   

http://www.playkidsgames.com/games/mathfact/mathFact.htm

http://www.aplusmath.com/Flashcards/    (flashcards)

http://www.multiplication.com/resources/online-tests-and-quizzes    (fact tests)

http://www.multiplication.com/games/all-games    (multiplication)