teacher_notes.md

Week 2 – Variables (Scoreboard)

Objectives

• Create and update variables (name, score, lives)
• Use simple math updates like score = score + 1
• Print values clearly

Concept explanation

• A variable is a “box” that stores something (score, lives).
• Updating variables is like Scratch “change score by 1”.

Lesson flow (60–75 min)

1. (10 min) Warm-up: change Week 1 title and run
2. (15 min) Introduce variables: name, score, lives
3. (20 min) Guided build: scoreboard that changes
4. (15 min) Student challenge: add levels and bonus points
5. (5 min) Student explains what score and lives do

Success criteria

• Student can update score and lives and see changes in output.