CIA4U – Unit 4 – Lesson 3: Interdependence



100 minutes

Lesson Objective

  • To learn about interdependence.

Lesson Outcomes

  • Define interdependence.
  • Explain why countries trade.
  • Explain the difference between comparative and absolute advantage.
  • Interpret a Production Possibilities Curve.
  • Explain the concept of Opportunity Cost.

The Lesson


  1. Starter: Infographic Study [individual task].
  2. Teacher led instruction and note taking.
  3. Production Possibilities Curve: Graphical Application [class task].
  4. Absolute and Comparative Advantage [teacher led instruction and note taking].
  5. Production Possibilities Curve worksheet [individual task].
  6. Comparative Advantage worksheet [individual task].
  7. Review: Peer Assessment

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