Getting Started with Scratch
by Lifelong Kindergarten Group, MIT Media Lab
Time to Complete: ~20 minutes
This is the official Getting Started with Scratch 2.0 guide from the Lifelong Kindergarten Group at MIT Media Lab. It's a very concise PDF that introduces you to the basics of Scratch 2 while building a animated dance project. It covers most basic concepts, such as: movement, backdrops, key press events, sounds and loops.