Go to http://meet.google.com/ and hit "Join or start a meeting."

Give it a nickname (you will send this to your students).

Hit the "Join meeting" button.

Click "Allow" if a box pops up requesting access to your webcam and microphone.

Invite students to join with the link or the nickname (NOTE: This is for an instant meeting, if you want to set up a meeting ahead of time, use the directions below).

Share your screen or a window with the "Present now" button.

Click the 3 dots in the bottom right corner and choose "Change Layout" to pick "Tiled" view. That's the new grid-like view.

Usually teachers want to get the links out to their students ahead of time, so this is the way to do that.

Go to http://calendar.google.com and click on a date and time for your meeting. Add a title, like "Class Meeting."

Click "Add rooms, location, or conferencing" and choose "Add Google Meet video conferencing"

Copy the link and hit the "Save" button.

If you'd like to set up a recurring meeting on the same day every week, click your event and hit the pencil icon to Edit it.

Click the "Does not repeat" button and choose how often you want it to recur.