Lesson 19 of 84 · Economics
⭐ 30 XP⚓ Market PortOpportunity Cost: Every Choice Has a Trade-Off
Opportunity cost is what you give up when making a choice.
🎯 Your mission
Follow the money. Then follow the choices.
⚡ The twist
Money is just a story everyone agrees to believe.
Mind = Blown
🤯 Money used to be made of cocoa beans, salt, and even giant stones.
Then & Now
💱 This is happening in your local store every single day.
Opportunity cost is what you give up when making a choice. Spending your allowance on a book means you cannot also buy a toy. Every decision involves trade-offs.
Key Facts
Money is a medium of exchange.
Needs are different from wants.
Supply and demand affect prices.
Check Your Understanding
Question 1
1 of 2What is trade?
Why this still matters
The next time you spend $1, ask: who else benefited besides you?
Stretch Challenge
Try this in real life this week.
Find two products that look similar but cost very different. Why?
For the dinner table
“If you had $20 to start a business, what would you sell?”
Next Smart Lesson
We'll pick a lesson that matches exactly where your understanding is right now.
Share this lesson
Send it to a parent looking for a 5-minute “why does that matter?” conversation starter.
Ready?
Opportunity Cost: Every Choice Has a Trade-Off
Follow the money. Then follow the choices.
Full screen — no distractions