This is also where you create questions, assignments, and add materials. In the middle of the page is where all of these are displayed. These can be grouped by topics, which you can set up.
Clicking on the posts, displays the details and allows you to edit them.
To create and add materials, etc, clic on the Create button.
Here you click on the type of post you want to add. This is explained in detail on the classwork pages.
The list can be filtered by the topics you create, to let you find things easily.
At the top, you have links to your normal Google Calendar and also the folder on your Drive for this class.