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Misconceptions: Loops can be difficult for students in Scratch Jr.

  • It is really common for students to execute the code one block at a time.
  • It isn’t clear or well motivated for students to use loops in Scratch Jr.
  • The concept is difficult for the demographic of students Scratch Jr. is created for.

More about this tip

Tags

  • Programming Concepts
  • Scratch
  • Content Misconceptions
External Source

Interview with Mai Vu

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Other Tips By Mai Vu

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When students consider a function that produces incorrect outputs to be working, assign problems that provide clear on-screen feedback when a function is incorrect.
Show students what code looks like with and without new programming constructs (e.g., methods, Objects, inheritance, loops, switch statements) to motivate the reasons for using new concepts.
Misconception: Students who first learn object-oriented programming in Python don’t realize they need to explicitly define instance variables in Java because this is done implicitly in Python.

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