Alice Keeler's amazing blog, Teacher Tech, contains a treasure trove of applications, templates and shortcuts that could save a teacher hours of time when looking to be more creative and efficient using Google Classroom.
Ms. Keeler's is a Teacher and Author of 50 Things you can do with Google Classroom. You can check out the book here.
Below is a tutorial on how to get started with Google Classroom.
The thing I loved most about Ms. Keeler's site is how easy it was to navigate and how clear all the information was displayed. On one page you have a listing of all her posts, in chronological order. It will be very easy to go back and use her page as a resource for years to come. Thanks Alice!