Mystery Solved! You are a great detective! Oops! Try again. Clues Found ... Is it ... ? ... Or ... Tada! They all have a fair start, and you sorted them perfectly! Oops! Remember the Flat Feet rule! Move everyone to the grass first. They are on the grass, but not in the right order. Try Shortest to Tallest!
Why is the chair tower "tricky"?
Correct! It looks taller because it starts higher up on the chair.
Can we tell who is taller if they start in different spots?
Right! We can't be sure until they start at the exact same level.
What is a "smart guess" called?
Spot on! An estimate is when we use our eyes and brain to make a smart guess before measuring.
What is the "Flat Feet" rule?
Exactly! Both objects must have their bottoms on the same flat line.
What do we call the "start line" for measuring?
Yes! The Baseline is the flat line where everything must start to be fair.
If we measure a race, where should everyone start?
Correct! Just like measuring height, a race needs a fair start line!
If a tower reaches higher than another, it is...?
Yes! When standing up, the one that reaches higher is Taller.
If your arm is bigger than a spoon, the spoon is...?
Correct! The spoon does not reach as far, so it is shorter.
Which word do we use for things lying down?
Right! We use "Longer" for things lying flat, and "Taller" for things standing up!
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The Mystery of the Crooked Tower: Finding a Fair Start
EvoClass-MATH000 Lesson 4
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🤖 Beep boop! I am Math-Bot. Let's solve the Mystery of the Crooked Tower! Click a clue below to begin.
Math-Bot Command LIVE
Beep boop! I am Math-Bot.
Let's solve the Mystery of the Crooked Tower! Click a clue below to begin.
Mystery Progress 0%
Oh no! Look at these two towers. One is on a chair and one is on the floor. The chair tower looks taller, but is it really? It’s a Measurement Mystery!
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Clue 1
The Tallest Tower Trouble
What happens when objects don't start at the same level?
To solve the mystery, we need Flat Feet! In math, we call this a Baseline. We must move both towers to the same floor to see the truth.
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Clue 2
The Flat Feet Rule
Why do we need a Baseline?
Now that we have a fair start, let's name what we see! Is the blue tower taller or shorter? Is your arm longer than a pencil?
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Clue 3
The Size Search
Using words like Taller and Shorter.
Did you know? Doctors use a special baseline to measure how tall you are! You have to take your shoes off and stand flat on the floor!
Did you know?
Doctors use a special baseline to measure you! You must take your shoes off and stand flat on the floor!
Interact to explore!
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Mystery Solved!

You are a Master Detective!

The Fair Start Challenge
Move everyone to the Baseline (grass), then click them from Shortest to Tallest!
On Baseline: 0/3
Sorted: No
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