Oklahoma Social Studies E.C.11.2
The Standard
- E.C.11
- Analyze how international trade affects the economies of nations.
Define and distinguish between absolute and comparative advantages and explain how these concepts influence trade.
Oklahoma Academic Standards for Social Studies (2026) · E.C.11
Teacher's field guide
What This Standard Means
What Students Need to Do
- Compare how much two producers can make with the same time or resources. Find what each gives up to make one more unit of a good. Use those numbers to explain who should make what and why they might trade.
What Mastery Looks Like
- Students can identify who makes more of each good, even when one producer leads in both. They calculate each producer’s opportunity costs and identify who gives up less to make each good. They propose a trade that benefits both.
Common Misconceptions
- Students may assume the faster producer has both kinds of advantage in every good. They may compare output totals without calculating what each producer gives up. They may think a producer that makes less of everything has nothing to offer in trade.
How to Assess It
- Exit ticket: In one hour, A makes 6 loaves or 3 shirts; B makes 2 loaves or 2 shirts. Identify each producer’s advantages, show the opportunity costs, and give one trade rate that benefits both.
Lesson moves
Ways to Teach It
Give pairs paper tokens and hourly output cards: A makes 6 loaves or 3 shirts, B makes 2 loaves or 2 shirts; negotiate trades.
Ask students to write: If A makes more of both goods, why might A buy shirts from B? Use what each gives up.
Run a card sort: students match output tables to the higher producer, opportunity costs, the lower-cost producer, and possible trades.
Plan a bake sale swap: A makes 12 cookies or 4 cupcakes hourly; B makes 6 cookies or 3 cupcakes hourly.
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Printable E.C.11.2 Worksheet
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Related Standards
- E.C.11.3
Describe common trade barriers (e.g., tariffs and quotas) and evaluate arguments for and against their use.
- 6.C.7.4.A
Define basic concepts related to trade, including exports and imports, tariffs, free trade, and balance of trade.
- 7.C.7.2
Compare the advantages and disadvantages of the traditional, market, and command economic systems, including how government policies affect economic activities ...
- E.C.2.2
Describe how comparative and absolute advantage influence specialization and trade in answering the three basic economic questions.
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