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
Function Machines: Parameters, Arguments and Return Values
Students trace short Python-style functions on paper, match key vocabulary, and write two small functions of their own.
Technology & computer science
Lists and Index Numbers: Counting from Zero
Students read and trace Python-style lists, use index numbers starting at zero, and predict what happens when a list changes.