Since he sounds like a natural speller, I like the approach in
A Well Trained Mind with some dictation and a running word list in the front of a notebook to copy/review words he habitually misspells.
If he needs something more, this
All About Spelling program looked good but expensive. There are sample lessons to look at here:
http://www.all-about-spelling.com/spelling-lessons-samples.htmlThere are also some good articles on that site including this one you might like called Homeschool Spelling.
http://www.all-about-spelling.com/homeschool-spelling.htmlI'm not a homeschooler yet but I practice just in case.
