This free chapter from Learn to Program with Scratch introduces the concept of variables.
A free chapter from the book,
Learn to Program with Scratch!
Learn to Program with Scratch is meant to teach basic programming skills and computer science concepts. It's a full-color book with illustrations to go along with the explanations, and there are lots of guided examples and exercises for readers to practice. The book has readers creating animated science simulations, artistic programs, and games.
This particular chapter introduces the concept of variables, and like the rest of the book, it includes tons of exercises and ideas for further exploration!
Published by No Starch Press.