Lesson
Extended Warranties
Summary
Extended warranties aren't scams, but they're not always smart buys either. This lesson explores standard versus extended warranties and teaches students the math behind deciding when protection is worth the price.
Bellringer: The Broken Earbud Dilemma
- Pose the broken-earbud scenario and give 1–2 minutes to think.
- Call on students to explain why the 90-day warranty won't help.
Instruction
- Define standard vs. extended warranties across two slides.
- Walk through the add-on target list and the three-question rule.
- Introduce self-insuring as risk retention.
Activity: Banzai Swap Warranty Wipeout
- Divide class into groups of 7 and distribute cards.
- Each player picks warranty or decline before every round.
- Play four rounds, tracking Evil Bill wipeouts and warranty costs.
Discussion: The Post-Game Debrief
- Ask warranty-buyers how it felt to lose 30 points with no payoff.
- Ask decliners hit by Evil Bill what they'd do differently.
- Compare Lemonade (20) vs. Flutophone (140) warranty math.
Wrap-Up & Assessment
- What is the main difference between a standard warranty and an extended warranty?
- When does it make sense to self-insure an item instead of buying a warranty?
| Est. Time | Activity | Description |
|---|---|---|
| 5 min | Bellringer: The Broken Earbud Dilemma |
|
| 10 min | Instruction |
|
| 20 min | Activity: Banzai Swap Warranty Wipeout |
|
| 7 min | Discussion: The Post-Game Debrief |
|
| 3 min | Wrap-Up & Assessment |
|
Lesson Prep
Banzai Swap Cards
Cards to play the game: Banzai Swap!
Banzai Swap: The Warranty Wipeout Scorecard
Scorecard to accompany the Banzai Swap reboot game: The Warranty Wipeout!
Banzai Swap Instructions
Learn how to play the wild trading game: Banzai Swap!
Class Presentation
Includes a 16-slide deck with teacher notes. Present from Banzai, download a PDF, or copy it to Google Slides.
Presentations, Ready to Go
- Built-in PresentationPresent full screen, straight from Banzai
- Copy to Google SlidesMake an editable copy for your class
- Download or PrintSave as a PDF or print
- Teacher NotesSlide-by-slide guidance, printable as one handout
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