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🪄 Functions
Lesson 4 — Combine Small Moves into Big Ones
⏱ 20–25 minutes 💻 Web game (play right away, no prep needed)
💡 Functions — functions can call functions (composition): big programs are built from small, reliable pieces 🎂 Grades 4–6 (ages 9–12)
👨👩👧 Notes for parents
Age: Grades 4–6 (ages 9–12) Duration: 20–25 minutes Format: Web game (play right away, no prep needed) Concept: Functions — functions can call functions (composition): big programs are built from small, reliable pieces
Learning Objective
Kids understand composition: a big function calls smaller ones, and they can trace the nested execution order.
Do It Together (Parent-Child Co-participation)
Ask the golden question: "If we make rocketMove() launch higher, does openingShow() change too?" (Yes! It calls the same function.)