Go to www.google.com and click the sign in button. You must have an email associated with gmail.
Sign in to you google account. If you do not have a gmail account or an email associated click "create account".
Here is where you can create a gmail account. To associate your current email with google click "use my current email address instead"
Once you are signed in, click on the "waffle" or "keypad" looking icon on the top right.
From the menu, scroll down and click "Classroom".
Once in Google Classroom, click the "+" icon to join a class.
Enter the class code as listed above for your class. Then click "join" on the top right hand corner.
You are now part of the class and will be notified when assignments are posted. You can now use the "Google Classroom Links" page to quickly get to your class assignments at anytime.