Dr. Reeves entertains while he enlightens. Classroom assessment is his main topic, and that includes sound grading practices. Here’s an excerpt from a conference earlier this year in Ontario.
Next, read page 20-21 (The Case Against the Zero by Doug Reeves) in Reeves on Zero, Etc. . (Scroll waaaay down to the title.)
Oh, don’t forget to peruse pages 16-19 on grading in general!