Indiana Social Studies E.2.6

Social StudiesGrades 9–12Supply and Demand

The Standard

Analyze the earnings of workers in different industries using factors such as product value, worker productivity, and market structure.

2026 Indiana Academic Standards: K-12 Social Studies · Students explain that because resources are limited, people must make choices, understanding the role that supply, demand, prices, and profits play in a market economy. Key elements of the course include study of scarcity and economic reasoning, supply and demand, market structures, the role of government, national economic performance, the role of financial institutions, economic stabilization, and trade.

Teacher's field guide

What This Standard Means

What Students Need to Do

Students compare jobs in different industries by looking at what workers make, how much they make, and what buyers pay. They also look at how many employers compete to hire those workers.

What Mastery Looks Like

Given output and prices, students calculate the sales value a worker produces per hour. They explain why that figure is not the worker's wage and how having more employers to choose from can affect pay.

Common Misconceptions

Students may mistake a product's sale price for the worker's pay or overlook how many items the worker makes per hour. They may assume workers in a profitable industry always earn more, even when they have few other places to work.

How to Assess It

On an exit ticket, show a baker making 20 loaves an hour at $5 each and an assembler making four lamps an hour at $30 each. Ask students to calculate both hourly sales totals and explain how having only one local lamp factory might affect the assembler's pay.

Lesson moves

Ways to Teach It

  1. Give pairs paper loaves and lamps with price tags, then have them arrange the items into hourly output groups and calculate sales totals.

  2. Ask: Would one factory in town offer the same pay as five competing factories? Have students explain using a worker's job choices.

  3. Run three rounds of wage bidding with employer cards that show hourly output, product prices, and how many firms are hiring.

  4. Bring in two local job ads, such as cashier and dental hygienist, and have students propose reasons for the posted pay gap.

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Printable E.2.6 Worksheet

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