![Page 1: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/1.jpg)
Happy Day!
Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481 117450284102701938521105559644622948954930381964428810975665933446128475648233
786783165271201909145648566923460348610454326648213393607260249141273724587006… Day .
π
![Page 2: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/2.jpg)
Cookie Activity 1
• Choose your favorite cookie.• Using a string, measure circumference of your
cookie.• Cut the string to the length of your cookie’s
circumference.
![Page 3: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/3.jpg)
Cookie Activity 1
• Get into a groups depending on your choice of cookie. (All Oreos in the same group)
• Work together to see how many cookies you would need to line up, side by side, to have the length of your circumference string across their diameters.
![Page 4: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/4.jpg)
Cookie Activity 1
• Write down your results on your worksheet.
• Check with other groups near you. Did they get the same results?
![Page 5: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/5.jpg)
Cookie Activity 2
• Using a measuring tape, find the diameter of your cookie to the nearest mm. Record your results on your worksheet.
• Measure the circumference of your cookie to the nearest mm. Record your results.
![Page 6: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/6.jpg)
Cookie Activity 2
• Make a table using the results for the whole class.
• In the last column, write down the ratio of the circumference to the diameter for each cookie.
![Page 7: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/7.jpg)
Cookie Activity 2
• What do you notice? Write down your results on your worksheet.
![Page 8: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/8.jpg)
Cookie Activity 3
• http://www.youtube.com/watch?v=YokKp3pwVFc&safe=active
• Now that we have the formula for the area of a circle, find the area of both of your cookies and record the results on your paper.
![Page 9: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/9.jpg)
Cookie Activity 4
• To find the volume of your cookie (or any cylinder) you simply multiply the area of the circle or base by the height.
• Find and record the volume of your cookies.
• Would these volumes be completely accurate? Tell me why or why not on your paper.
![Page 10: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/10.jpg)
Cookie Activity 5
• Now let’s look at the World’s Largest Cookie!• http://www.immaculatebaking.com/goodies/t
he-worlds-biggest-cookie/
• Using the information given, what would the circumference and area of this cookie be?
![Page 11: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/11.jpg)
Cookie Activity 5• How much would one square foot of this giant
cookie weigh?
![Page 12: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/12.jpg)
Cookie Activity 5• Here is another very
big cookie.
• For the 100th anniversary of the OREO cookie, Kraft created this giant OREO. It was 15 feet tall.
• What were the circumference and area of this crazy cookie?
![Page 13: Also know as 3.141592653589793238462643383279502884197169399375105820974944592307816406286 208998628034825342117067982148086513282306647093844609550582231725359408128481](https://reader035.vdocument.in/reader035/viewer/2022081512/551c0f695503469e4f8b5327/html5/thumbnails/13.jpg)
More fun for Pi Day• Spock on Pi
• Pi Song
• Pi is exactly 3
• History of Pi
• Pi Tune