I'd first make a list of all the key facts that I want the student to learn. Next I'd try to figure out a path that takes someone from complete ignorance of th

I'd first make a list of all the key facts that I want the student to learn. Next I'd try to figure out a path that takes someone from complete ignorance of the subject through to mastery. Next seek analogies and examples to build up the course material. Write and edit the course materials, iterate until it looks right. Then I'd iterate, making improvements as they became apparent.