Math http://www.funbrain.com/math/index.html
http://www.fun4thebrain.com/
http://www.kidsnumbers.com/
Language Arts http://www.gigglepoetry.com/
http://www.handwritingworksheets.com/denelian-1/make-d.htm
Search engines http://kids.yahoo.com/
http://www.askkids.com/