Hour of Code® lessons from CS First

Everyone belongs in the world of computer science.

These simple, self-paced lessons are designed to make coding fun for everyone. It's easy to get started, with no CS knowledge needed.

How to get started

If you're new to CS First, make sure you and your students sign into CS First before starting the lessons. They can save their work, and you can track their progress.

Let's get coding

Text-based
outlined_flagIntroductory
3 lessons
access_time1 hour
language¡Disponible en español!

Your students will find everything they need within the lesson. They'll have access to hints, highlights, and text-to-speech options for help along the way.

Lessons
namespaces/google.engedu.csfirst/contents/Lesson-24495769435297702868852479849531041147
namespaces/google.engedu.csfirst/contents/Lesson-278635113591264081746238714803608422735
namespaces/google.engedu.csfirst/contents/Lesson-221946848284650683464922445738323863862

Keep the learning going

Are you and your students ready for more computer science? Check out Welcome to CS First, a foundational coding unit that introduces the core elements of Scratch.

Discover lessons

The ‘Hour of Code®’ is a nationwide initiative by Computer Science Education Week and Code.org to introduce millions of students to one hour of computer science and computer programming.

namespaces/google.engedu.csfirst/contents/Unit-74225775513253139659701759698711890520en