Market Logic Slides Market Masters
Lesson 1: Lemonade Logic
"What makes the price change?"
Key Ingredients
Supply
How much of a good or service is available for people to buy.
Think: "What's on the shelf?"
Demand
How much people want to buy a good or service.
Think: "How many people want it?"
The Lemonade Lab
Imagine it's a 100-degree day. You have the only ice-cold lemonade in town!
Is demand High or Low ?
Is supply High or Low ?
Will you raise or lower your price?
FREEZE!
🍋
Class Discussion
What happens if 10 more lemonade stands open on your street?
Today's Mission
1
Pick a Card
Grab a Supply or Demand card from the deck.
2
The Tug-of-War
See how your card changes the "Market Value."
3
Record It
Log the results in your Discovery Journal.
Market Discovery Journal Market Discovery Journal
Property of a Future Market Master
Name:
Date:
Part 1: The Lemonade Lab (Day 1)
My Definition: Supply
My Definition: Demand
Simulation Log
Scenario Supply Demand Price Action
Observation Station
When demand is high but supply is low, I noticed that...
Part 2: Price Power (Day 2)
Market Prediction: If a toy becomes "super famous"...
Demand will:
Up
Down
Price will likely:
Up
Down
Why does the "Market Price" change?
Draw an example of a "Scarce" item below: Lemonade Sim Cards Demand Card
Heat Wave!
The temperature hits 105 degrees. Everyone is thirsty and looking for a cold drink!
Demand Rises
Supply Card
Lemon Shortage
A storm hit the lemon farms. You only have enough for 5 cups of lemonade left.
Supply Drops
Demand Card
Rainy Day
A sudden rainstorm starts. Everyone stays inside and no one is thirsty for lemonade.
Demand Drops
Supply Card
Huge Shipment
You found a whole case of fresh lemons in the garage. You have lemonade for everyone!
Supply Rises
Cut along the dotted lines between cards
Price Files Slides TOP SECRET
EVIDENCE
Market Mystery
Department of Economic Investigation
Your Mission
The Problem
Prices across the city are acting strange! Some have shot up to the moon, while others have crashed to the floor.
The public is confused. They don't know why this is happening.
The Detective's Job
Find the evidence (Clues)
Check Supply & Demand levels
Solve the "Price Crime"
Detective Toolkit
Supply Evidence
Look for news about:
• Factory shutdowns or broken trucks
• Bad weather affecting farms
• New technology making things faster
Demand Evidence
Look for news about:
• Celebrities wearing a new brand
• Changing seasons (Hot? Cold?)
• Scientific studies about health
REMEMBER: Scarcity = Low Supply = High Price!
Case #001: The $12 Ice Cream
SOLVE THIS
Observations:
Last week, a scoop of ice cream was $3. Today, every shop in town is charging $12!
CLUE A: It is 105 degrees outside (Hottest day ever!)
CLUE B: The local dairy farm's freezer broke.
Demand is HIGH
Everyone wants to cool off!
Supply is LOW
Broken freezer = less ice cream!
VERDICT:
High Demand + Low Supply = Sky High Prices!
Case Files Open
Work with your detective partner to analyze the Case Cards. Record your evidence in your Detective Case Log!
1
Identify Clues
2
Mark Levels
3
Final Verdict
Detective Case Log CONFIDENTIAL
Detective Case Log
Market Investigation Dept.
DETECTIVE:
DATE:
Record your findings here. Be specific about whether supply or demand caused the price shift!
CASE FILE #101 Subject: The Soccer Cleat Crisis
Evidence Summary
Demand Level
High (Up)
Low (Down)
Supply Level
High (Up)
Low (Down)
The Price Verdict
Price rose
Price fell
CASE FILE #102 Subject: The Cereal Surplus
Evidence Summary
Demand Level
High (Up)
Low (Down)
Supply Level
High (Up)
Low (Down)
The Price Verdict
Price rose
Price fell
CASE FILE #103 Subject: The Toy Craze
Evidence Summary
Demand Level
High (Up)
Low (Down)
Supply Level
High (Up)
Low (Down)
The Price Verdict
Price rose
Price fell
Detective's Summary Notes: Evidence Folder Cards Case #101
TOP SECRET
The Cleat Crisis
THE CLUES:
• Famous player won the World Cup wearing "Turbo-Kicks."
• Storm flooded the factory where they are made.
Price: Up 400% ($200!)
Detective Notes (Shift):
Case #102
EVIDENCE
The Cereal Surplus
THE CLUES:
• Perfect corn harvest (record supply!).
• Report says sugary cereal is bad for teeth.
Price: Down 50% ($1.50!)
Detective Notes (Shift):
Case #103
URGENT
The Toy Craze
THE CLUES:
• Viral video shows everyone with "Glow-Spinners."
• Only one store in the country has them.
Price: Up 1000% ($50!)
Detective Notes (Shift):
Case #104
Archive
Snow Shovel Slide
THE CLUES:
• It is July and 90 degrees outside.
• Hardware stores are clearing out old inventory.
Price: Clearance ($5!)
Detective Notes (Shift):
Market Mystery Quiz Official Clearance Exam
Market Mastery Test
Detective ID:
Precinct:
Answer the following questions to earn your Market Detective badge.
1. If supply is very LOW but demand is very HIGH, what usually happens to the price?
The price goes UP
The price goes DOWN
The price stays the SAME
It depends on the weather
2. What does the term "Scarcity" mean in our Market Mysteries?
3. Circle the "Evidence" that would cause DEMAND to fall:
A celebrity is seen using the product every day.
A news report says the product might be unsafe.
The product is on sale for 50% off.
4. Explain the Case: Why do swimsuits cost less in January than in July? Use the words "Supply" and "Demand" in your answer.
Market Master Badge Stamp Area
Price Pulse Slides Price Power
Lesson 2: The Tug-of-War
Price Goes Up?
Price Goes Down?
What is Scarcity?
"When there isn't enough of something for everyone who wants it."
Scarcity is the reason some things are very expensive (like diamonds) and some things are cheap (like pebbles).
💎
Low Supply
High Demand = High Price
🪨
High Supply
Low Demand = Low Price
The Power of Choice
Wait... do we always HAVE to pay more?
Compare
Look for a better deal elsewhere.
Wait
Wait for the demand to go down.
Market Day!
Tomorrow, you will open your own shop in our classroom.
Your Mission Tonight:
Think of a product or service you can sell for "Market Bucks."
(Ideas: Paper airplanes, hand-drawn cards, desk cleaning, etc.)
Trading Post Task Cards Trading Post
REAL-WORLD MARKET CHALLENGE
Set A
1
The Video Game Craze
"Super Slime" is sold out everywhere! Your neighbor is selling a copy.
Demand: High Supply: Low
Price Prediction & Why:
2
The Apple Harvest
The farm has too many apples. They need to sell them fast before they spoil!
Demand: Normal Supply: High
Price Prediction & Why:
3
The Umbrella Day
It's a beautiful sunny week. 200 umbrellas are sitting in the window.
Demand: Low Supply: High
Price Prediction & Why:
4
The Lost Toy
Only 10 "Glow-Bots" are left in the whole country. Everyone wants one.
Demand: High Supply: Low
Price Prediction & Why: