Technology & computer science
Be the Computer: Tracing Variables and Loops
Students trace short programs by hand, tracking how variables change inside for loops, while loops and an if statement.
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Technology & computer science
Bug Hunt: Debugging Printed Code
Students read six short Python-style programs, match each to a type of bug, and write a corrected line.
Technology & computer science
Program the Robot: Grid Paths on Paper
Students act as the computer, tracing robot programs on a 5 by 5 grid, fixing a bug, and writing their own step-by-step program.