Three lessons from the science of how to teach writing is a very useful post from The Hechinger Report.
Here’s an excerpt:
This reinforces my own experience and what I’ve regular written in this blog and in my books. Instead of traditional approaches, I’ve found the use of concept attainment to be exceptionally effective and engaging.
You can read about that strategy here.
For additional reinforcing activities, of course, there is always The Best Sites For Grammar Practice.