For instructions on how to add an entirely new assignment (eg. in order to combine topics into a single class), see this article.
1. After logging in, navigate to the "Classes" tab and click "View assignments" on the class you wish to add/remove lessons from.
2. Click "View lessons" for the desired assignment.
3. Click "Add/remove lessons"
4. Use the drop down menu to choose from "Currently selected content" or "Showing all courses" to view the entire library.
5. Expand the drop downs for the course/sections to view all of the available content.
6. To add a lesson, check the box next to lesson. To remove a lesson, uncheck the box next to the lesson.
7. Click the "X" in the top-right corner of the window to save changes.
