I'm just starting to look into this since (Quizizz.com)
is also connect to it (see picture below for details)
Anyway, check out the "What is Google Classroom" below, I'm going to set it up with my math class, it looks just too easy and helpful in mark keeping!!
Google Classroom is a blended learning platform developed by Google for schools that aims to simplify creating, distributing and grading assignments in a paperless way.
