The markbook helps to keep students assessment organized with comments as well as upload artifacts to support assessment.
Watch the following videos to get you started.
There are many youtube tutorials at the following link: Chalk / Planboard
Edcanvas now allows a teacher to "Add Quiz" on an empty canvas tile, and add questions and answers. Then it automatically grades the quizzes for you. I mentioned what Edcanvas is in my March 22nd post.