Problem Set 0

What to Do

  1. Download and install the latest version of Chrome, if you don’t have it already.
  2. Log into Ed Discussion, the course’s Q&A platform:
    • Say hello to classmates and staff, if comfortable, by commenting on the pinned Hello, world! post! Consider sharing a fun fact about yourself that folks might remember, to help break the ice!
    • Read the Welcome from CS50’s staff! to meet some of the course’s staff!
  3. Implement your very own Scratch project using Chrome, per this specification.

When to Do It

By . If you add the course after then, no worries, email for an extension.

How to Get Help


Here are David’s examples from lecture if you’d like to review! To see the source code of each, click See inside.

How to Submit

  1. Submit this form.
  2. If comfortable adding your Scratch project to a gallery (aka studio) for classmates (current and future!) to see as well, visit, paste the URL of your project under Add Projects, and click Add by URL!