There is a wide range of YouTube clips to help you get started with Google Classroom if you clip on the image:
Category: ICT
Flashcards for Revision – Sam Forbes and Jack Maquire
Getting Started with Plickers – Julie Richard and Natalie Higney
Starting with Glow – John Sexton
Class Dojo – Jane Ramsay
Kahoot – Mark Gilroy
Science, Technology, Engineering and Mathematics – Consultation on a Strategy for Education and Training
New from Scottish Government _ Enhancing Learning and Teaching Through the use of Digital Technology
