KISS Grammar It recommends teaching grammar as I suggested in Write from History. This actually comes as a surprise to me because I just found this website. The exercises are from real sentences and they are cumulative. I love this!
But he goes much further than I did or even most curricula does on the subject. He teaches children real grammar. He’s a college professor and loves the subject. This is a fantastic–FREE!–curriculum. Check it out.
Classical Reading and Writing 