Lesson 83 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
Spot the cost behind the price.
⚡ The twist
Cheap for you usually means expensive for someone else.
Mind = Blown
🤯 Money used to be made of cocoa beans, salt, and even giant stones.
Then & Now
💱 Every receipt you've ever seen has this idea inside it.
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
Supply and demand affect prices.
Trade connects people globally.
Every choice has an opportunity cost.
Check Your Understanding
Question 1
1 of 2What are goods?
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.
Track every dollar you spend or get this week. Then figure out the pattern.
For the dinner table
“If you had $20 to start a business, what would you sell?”
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Opportunity Cost: Every Choice Has a Trade-Off
Spot the cost behind the price.
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