4. Builder I

38 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


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

L5.1. Achieve 50% Independence on Low-Level Challenges

8 classes

We'll assess your progress in this level during class

  • Complete project walkthroughs using less than 50% of available detail or image hints and minimal instructor support

L5.2. Achieve 80% Independence on Low-Level Challenges

10 classes

We'll assess your progress in this level during class

  • Complete project walkthroughs using less than 20% of available detail or image hints and minimal instructor support

L5.3. Advanced Scratch Challenge

10 classes

We'll assess your progress in this level during class

  • Complete an advanced Scratch challenge integrating multiple sprites and programming concepts

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