Google Classroom was designed to help teachers save time, keep classes organized and improve communication with students.
Teacher Resources:
Introduction to Google Classroom
Google Classroom Cheat Sheet
Google Classroom Help Center
How to Set Up a Class
How to Invite Students to a ClassÂ
How Students Join a Class
How to Create an Assignment
How to View, Grade, Comment and Return an Assignment
Student View
Classroom and the iPad (video)
Additional Tutorials, Misc. (video)
Google Classroom Hacks