Oklahoma Social Studies 2.C.4.4

Social Studies2nd GradeContent Standards

The Standard

Explain how prices of goods and services are affected by supply and demand, using examples relevant to student experiences.

Oklahoma Academic Standards for Social Studies (2026) · 2.C.4

Teacher's field guide

What Students Need to Do: Students notice how many buyers want an item or service and how much is available. They explain why prices may rise when many people want something scarce, or fall when plenty is available.
What Mastery Looks Like: A student predicts that the price of balloons may rise when 20 children want one and the booth has only five. They explain why the price may fall if 50 more balloons arrive.
Common Misconceptions: Some students think prices rise when a store has more items, rather than when items are hard to get. Others confuse demand with what a seller wants to sell instead of what buyers want to buy. Some forget that services, such as haircuts, have prices too.
How to Assess It: Ask: “Twenty children want a balloon, but the booth has only five. What might happen to the price, and why? What if 50 more balloons arrive?”

Lesson moves

Run a sticker shop with three stickers and ten buyers, then restock to 15 stickers; let students set token prices after each round.
Ask: “Why might a school fair charge more for its last five balloons than for balloons when the booth is full?”
Give pairs buyer and stock cards for pencils; have them sort each pair into “price may rise” or “price may fall.”
Post a $10 haircut sign and ask whether one barber with 20 waiting customers could charge more than a barber with no line.

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A ready-to-print activity worksheet aligned to 2.C.4.4, with an answer key for the teacher on its own page. No account needed.

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