The Castaways Discover GDP Lesson for Grades 6-9

In this lesson, students learn the definition of gross domestic product (GDP) and the four expenditure categories of GDP. Then, they participate in a readers’ theater about castaways on an island who learn about GDP. Students record examples of items produced on the island that are examples of consumer, government, and investment spending. They recognize that, without trade, there is no net export category for the island.

This lesson plan is designed for teaching grades 6, 7, 8, and 9.


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Education Level: 6-8 9-12
Subjects: Economics
Concepts: Gross Domestic Product/GDP
Resource Types: Lesson
Languages: English
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