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Opportunity Cost

9-12th Grades
45 min

Summary

Every choice has a hidden cost, called the opportunity cost. In this lesson, students evaluate trade-offs by identifying the next-best alternative they give up when making a decision.

Activities

Bellringer: The Alarm Clock

  • Students brainstorm 3 things they could have done instead of hitting snooze for 15 minutes.
  • Bridge responses to the concept of opportunity cost.
5 min

Instruction

  • Define opportunity cost as the value of the next best thing.
  • Walk through the movie ticket vs. burger example and discuss subjectivity of opportunity cost.
  • Introduce marginal analysis as a tool for evaluating trade-offs at the margin.
15 min

Activity: Opportunity Cost Article & Trade Log

  • Students read the Opportunity Cost article independently or in pairs.
  • Briefly debrief key takeaways before moving on.
  • Assign the Opportunity Cost Trade Log homework worksheet, due the following day.
5 min

Discussion: Maya's Trade-Off

  • Present Maya's job scenario and walk through Tasks 1–3.
  • Push students to defend their advice using cost, opportunity cost, and long-term consequences.
15 min

Wrap-Up & Assessment

  • Give one example of opportunity cost.
  • Explain how you will evaluate opportunity costs and make a financial decision when it’s tough.
5 min

Lesson Prep

Opportunity Cost thumbnail

Opportunity Cost

Every choice you make has a tradeoff. Opportunity cost is the value of what you give up when you make the choice.

Opportunity Cost Trade Log thumbnail

Opportunity Cost Trade Log

Students will track the opportunity cost of trade-offs they make throughout the day.

Class Presentation

Includes a 23-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 1: Money Fundamentals

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