1. Beginner 2. Explorer I 3. Explorer II 4. Builder I 5. Builder II 6. Extender 7. Designer I 8. Designer II 9. Leader

4. Builder I

10 classes for Scratch

Students use our four core Debugging techniques to troubleshoot a complex programming problem. Students also complete low-level project challenges without any code hints.

Choose a project platform to view the Builder I-level progression in more detail

Scratch Roblox JavaScript

L4.1. Achieve 20% Independence on Low-Level Challenges

6 classes

We'll assess your progress in this level during class

Complete project walkthroughs using less than 80% of available detail or image hints and minimal instructor support

L4.2. Debugging

4 classes

When you're ready, please set up a time with your instructor to take an assessment for this level

Explain why the computational thinking skills of Decomposition and Algorithm Design are important
Explain the four core debugging tools: Describe, Narrow Down, Simulate and Make the Invisible Visible
Use all four debugging tools on a bug that's presented to you