How do I use the Dashboard as an instructor? (copied)
The Dashboard is the first thing you will see when you log into Canvas. The Dashboard helps you see what is happening in all your current courses.
You can return to your User Dashboard at any time by clicking the Dashboard link in Global Navigation.
In Global Navigation, click the Dashboard link.
The Dashboard  is your landing page in Canvas and displays information about your current courses. The Dashboard also contains global announcements from your institution and a global activity stream that shows recent activity in all your current courses.
The Dashboard also includes a sidebar , which contains the To Do list, upcoming events, and access to grades.
View Global Announcement
The Dashboard may also include global announcements, which are announcements created by your institution. To remove the announcement from your dashboard, click the Remove icon.
Change Dashboard View
The Dashboard offers several views depending on your preference. The Dashboard defaults to the course card view, which displays course cards for all your favorite courses. To help manage Canvas activity, the Dashboard also supports the Global Activity Stream, which shows recent activity for all your Canvas courses.
To change your Dashboard view, click the Settings menu and select your preferred viewing option.
The Sidebar helps you see what you need to do next across all your courses, including items in your To Do list. The sidebar also includes a link to the global Grades page. Learn more about the Dashboard sidebar.