Ms. Foster demonstrates how to add grades in this video.
if you prefer to print out and read the instructions, use this link.
Have questions about your class roster...
You have a few options you can customize for your preferences. (Not all are available to THS teachers.)
This document serves as a helpful tool if you still have some questions about Google Classroom.
Teachers who teach with You Tube, this video is for you. I found a free converter that you can download without admin passwords, and it will convert your videos from web based to a quick time video you can save on your computer.
Here's the video of how to use it: Video Converter