Below are some great resources to explore with your children. They are websites that help reinforce concepts learned in school, as well as fun, educational, brain exercising games.
http://www.spinandspell.com/(basic spelling words)
http://www.storyit.com/(Language Arts resources)
www.readwritethink.org(Writing templates and activities)
http://en.childrenslibrary.org/(A Library for the World’s Children)
http://www.kidsreads.com/(information about books, series, and authors)