What number is pi?

• 1.41

• 2.00

• 3.14

• 5.14

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When is pi used?

• unlock your locker

• to find your way home

• area of a circle

• tangent of a rectangle

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Another use for pi?

• circumference of a circle

• desert after dinner

• triangle bisect line

• square root

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CCSS.7.G.B.4

What day is Pi Day?

• March 14

• December 25

• October 31

• January 1

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CCSS.HSG.GMD.A.1

How old is the symbol for pi?

• 1,000 years

• 250 years

• 500 years

• a billion years

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CCSS.HSG.GMD.A.1

Who was born on pi day in 1879?

• Albert Einstein

• Mr. Conley

• Mr. Tiscareno

• Michael Jackson

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CCSS.RI.7.7

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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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CCSS.HSG.GMD.A.1

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

Tags

CCSS.HSG.GMD.A.1

How many digits are in pi?

• 10 trillion
• 5 billion 
• infinite 
• a lot 

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CCSS.HSG.GMD.A.1

The equation C = πd, is used to find the circumference of a circle given it's diameter. This formula can be rearranged to solve for pi. Which equation is written correctly to solve for pi?

• π = Cd

• π = C ÷ d

• π = d ÷ c

• π = C - d

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