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Lesson

2 of 7 in Unit 7: Investing

Market Mechanics

9-12th Grades
45 min

Summary

The stock market isn't a casino—it's a giant auction where millions of buyers and sellers set prices in real time. This lesson unpacks how exchanges, brokers, orders, and regulators work together so students can read the market before they ever buy a share.

Activities

Bellringer: Who Sets the Price?

  • Pose: who decides Apple stock is worth $X today?
  • Surface student theories before revealing supply/demand answer.
5 min

Instruction

  • Walk slides on exchanges, brokers, bid/ask, and SEC/FINRA oversight.
10 min

Discussion: Bid, Ask, Spread

  • Use a mock order book on the board.
  • Have students role-play buyers and sellers to find a clearing price.
8 min

Activity: Stock Market Showdown

  • Continue gameplay applying market mechanics learned today.
  • Circulate to ask students about their bid/ask decisions.
18 min

Wrap-Up & Assessment

  • What's the difference between a stock exchange and a broker?
  • How do bid and ask prices create a market price?
4 min

Lesson Prep

Stock Market Showdown thumbnail

Stock Market Showdown

Students compete in a stock market simulation managing portfolio risk.

Class Presentation

Includes a 17-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

Unit 7: Investing

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