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CS50’s Introduction to Programming with Scratch

OpenCourseWare

Brian Yu
brian@cs.harvard.edu

David J. Malan
malan@harvard.edu
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CS50x Puzzle Day 2025new
Zoom Meetings

CS50.ai
Ed Discussion for Q&A

Sprites
Functions
Events
Values
Conditions
Loops
Variables
Abstraction
Building from Scratch

Final Project

Academic Honesty
CS50 Certificate
FAQs
Gradebook
Staff

Apple TV
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Google TV
YouTube

Status Page

Communities
Bluesky
Clubhouse
Discord Q&A
Ed Q&A
Facebook Group Q&A
Facebook Page
GitHub
Gitter Q&A
Instagram
LinkedIn Group
LinkedIn Page
Medium
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Reddit Q&A
Slack Q&A
Snapchat
SoundCloud
Stack Exchange Q&A
Telegram
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Threads
Twitter Account
Twitter Community
YouTube

Courses
CS50x
CS50 AI
CS50 Business
CS50 Cybersecurity
CS50 for Lawyers
CS50 Python
CS50 R
CS50 Scratch
CS50 SQL
CS50 Web

Weeks

Sprites
Functions
Events
Values
Conditions
Loops
Variables
Abstraction
Building from Scratch