Happy Pi Day!

Pi Day is celebrated on March 14.  (which was chosen because it resembles 3.14)  What time does the official celebration begin?

• 3:14 PM
• 7:22 PM
• 1:59 PM
• 5:18 PM

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CCSS.3.MD.A.1

What famous scientist was born on Pi Day in 1879?

• Archimedes
• Einstein
• Galileo
• Newton

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Who was the first group to find a value for pi?

• Egyptians
• Babylonians 
• Romans
• Greeks

What do you get when you divide the circumference of a Jack-o-Lantern by its diameter?

• Pumpkin
• Jack-o-Lantern
• Pumpkin Pi
• Pi in the Sky

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The number pi is approximately equal to _________. 

• 3.14
• 3
• whatever the diameter equals 

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what is the symbol for pi

• £

• π

• Π

• •

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CCSS.HSG.GMD.A.1

On what day is Pi Day celebrated?

• January 1
• March 14
• March 13
• February 13

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What is the "formal" definition of pi?

• 22/7
• 3.1415926
• the ratio of a circle's circumference to its diameter
• the surface area of a sphere of diameter 22/7

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CCSS.HSG.GMD.A.1

How many digits are in pi?

• 10 trillion
• 5 billion 
• infinite 
• a lot 

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What are the first six digits of pi?

• 314157

• 3141592

• 31415

• 314159

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