An interactive historical summary of pi ​

What is this a picture of?

Name a few places you see the symbol pi appear or get used. ​

From archeological records, most scholars agree that pi was first conceptualized in the area we would now call: ​

​

• Greece

• China

• Egypt

• India

Approximately when did the concept of pi first appear in Greece? ​

• 1000 BCE, around the first Olympic Games.​

• 800 BCE, when written records began appearing after the "Dark Ages".​

• 300 BCE, after Alexander the Great expanded Hellenistic society and culture. ​

• 300 CE, after the reign of Constantine the Great.

Name a new thought you have after exploring these three sketches. If it helps, you can reference the sketch by its number: ​

Sketch 1: Pi as a length: https://www.geogebra.org/m/empag9ka​

Sketch 2: Pi as a ratio: https://www.geogebra.org/m/c8ev8tah ​

Sketch 3: Pi as an area: https://www.geogebra.org/m/pbK4tt2b 

About how many digits of pi are necessary to determine the circumference of the universe down to the atomic level?​

• 6

• 60

• 6000

• 62 trillion

Approximately when did the symbol (π) start being used to represent this concept?​

• Greece, 300BCE​

• China, 400 CE

• India, 500 CE​

• Great Britain, 1700 CE​

Which US state in the late 1800s tried to pass a bill claiming pi = 3.2?

• Indiana

• North Carolina

• Pennsylvania

• Missouri

By percentage of the population, which country has the largest pi day celebration?​

• Greece

• US

• Canada

• India

If you laid a piece of rope around the equator of the Earth (6.3 million meters), how much more rope (in meters) would you need to allow the rope to be 1 meter high?

(a)