It is now easier than ever to get the results of your submitted work! When your teacher grades your assignments, they will appear in the done list of your Today dashboard. If your assignment has not yet been graded by your teacher, you will simply see a question mark where the grade should be. This will also tell you how many points each assignment is worth.
If your grade does not appear and you think it should, try refreshing your browser to make sure that Google Classroom and Today have synced.