Programming Concepts

Create boolean variables to use as the condition when introducing if statement to highlight for students that the condition is any expression that evaluates to true or false.

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Have students code boundary condition test to handle removing adjacent duplicates to help them better understand data structures and become familiar with common bugs through practice.

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Play musical chairs to explain while loops so students develop physical experience navigating through the structure of a loop to better understand while loops.

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Foreshadow arrays right after teaching for loops by showing students how to create a 1x6 grid using the rectangle object in the Java objectdraw library because visualizations built off of recently introduced material provide a useful transition.

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Use scoreboards to motivate the use of variables because young students have developed strong mental models for scoreboards through previous exposure allowing them to quickly understand what variables are.

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Use an Arduino and three LEDs to make an electronic, binary die to teach students about data representation, programming basics, and Arduino in an engaging introductory activity.

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Track the variable values of a recursive function using multiple pieces of paper to form a “stack” so that students can visualize what happens when a method calls itself and how each method call has its own unique variable values.

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Use note passing for explaining the difference between methods with no return (void methods) and methods with return to provide students with a relatable example.

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