To join your Google Classroom for the first time:
Go to classroom.google.com
Click on the plus (+) sign.
Choose "join class."
Enter code (listed below).
Click the blue "join" button.
class code: pf7fujg
class code: jmqh4yg
class code: fpd2a73
class code: bpjpxes
class code: 75x7wey
class code: 76gahl6