Indiana Social Studies 2.E.4
The Standard
Explain why people trade for goods and services, and explain how money makes trade easier.
2026 Indiana Academic Standards: K-12 Social Studies
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students explain why people trade for things they need or want, including goods and services. They compare swapping items with paying money when a seller does not want what a buyer offers.
What Mastery Looks Like
- A student can explain what a buyer gets and what a seller gets in a purchase. They can show why a swap might fail and explain that the seller can spend the money later.
Common Misconceptions
- Students may think trade only means swapping objects, so paying for a haircut does not count. They may think a seller must want the exact item a buyer offers, even when the buyer can pay with money.
How to Assess It
- Exit ticket: Mia wants a ball but has a book. Why might she trade, and how could money help if the ball seller does not want her book?
Lesson moves
Ways to Teach It
Give students apple, pencil, and haircut coupon cards; try direct swaps, then repeat using paper dollars and one-dollar price tags.
Ask, 'You have a pencil, but the apple seller wants a haircut. How could money help you get an apple?'
Play Trade Match: show what a buyer offers and what a seller wants; students vote whether a swap works, then try paying.
Show a grocery receipt; ask what the shopper received, what the store received, and why the shopper did not swap toys for food.
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Printable 2.E.4 Worksheet

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Related Standards
- K.E.1
Explain that people work to earn money to buy the things they want and need.
- 3.E.5
List the characteristics of money, and explain how money makes trade and the purchase of goods easier.
- 6.E.3
Explain why international trade requires a system for exchanging currency between various countries.
- GE.6.1
Explain the basic functions of money.
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