Lesson 4 — Functions That Calculate

Level: Warrior — roughly Grade 8 / ages 13–14 Duration: 25–35 minutes Format: Write real Python in the browser (runs instantly) Concept: Solving problems with multi-parameter functions

Learning Objective

Kids create multi-parameter functions that return computed results.

Do It Together (Parent-Child Co-participation)

Change the numbers passed to area() and predict the result before running.