Open the Google Classroom and tap, ‘Get Started,’ and then In the ‘email or phone’ box enter your student number followed by @student.citylit.ac.uk - example: firstname.lastname@example.org
Your password will be your date of birth in this format. First two numbers of the day, first three letters of the month and the year in full, example: 01jan1990
Read and Accept the Terms and Conditions. On the next screen select 'I'm A Student' profile.
Tap the plus icon in top right of the screen. This will open up the Join Class window. Enter the Class Code for your course (your tutor will have give you this code).
You should now be inside Google Classroom.