Houghton Mifflin - includes language arts and math by grade level. Great computer games to help sharpen skills. Matches to NC curriculum standards http://www.eduplace.com
National Geographic for Kids http://www.nationalgeographic.com/kids/
iknowthat.com
spellingcity.com
starfall.com
tumblebooks.com
mathinvestigations.com
math.about.com
Family guidance newsletter for every grade level for every week of the school year. User name is WAKE (all caps), no password. It is called Growing Up. Great developmental stages outlined in these newsletters. http://www.k12tlc.net/growingup/index.htm
Mr. Biles Pleasant Union Blog http://panthertalk.info
A great way to practice skills learned at school. Username is your child's lunch # followed by @pue password is password www.studyisland.com