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# Pi Day 2013

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Pi Day Resources

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### Pi Day 2013

1. 1. Don’t forget to markAnd once you do, you’ll notice Pi Daythat is a day, 14th is a Sunday.Pi Day March your calendars forTo celebrate this joyous number.Two options: March 14thYou use it to find circumference.Have irrational number.It’s an a totally dessert weekend:Pi and Sundae or: your (havestudents do a weekend project) 3.14O let us celebrate Pi DayLeftover Pi:other.In a way like no Tastes even betterthe day after (celebrate theLet us celebrate this dayevent on Monday) number!And enjoy this wonderful Paul Johns 2000
2. 2. There are some fun comics about Pi…
3. 3. … and even some jokes…Q: What do you get if you divide the circumference of abowl of ice cream by its diameter? A: Pi ala mode.
4. 4. Q:What do you get when you take the sun and divide itscircumference by its diameter? A: Pi in the sky.
5. 5. In the Greek alphabet, pi is the sixteenthletter (and 16 is the square of 4). In the Englishalphabet, p is also the sixteenth letter, and i isthe ninth letter (the square of 3). Add them up(16+9), and you get 25 (the square of five).Multiply them (16x9), and you get 144 (thesquare of 12). Divide 9 by 16, and you get .5625(the square of .75). Its no wonder that theysay, "Pi are squared!"Remember…A= r 2 … and some interesting facts…
6. 6. … and some very hap-pi people…The most accurate version of pi A team of nineresearchers led by Professor Yasumasa Kanada at theInformation Technology Center at Tokyo Universityhave calculated pi to 1,240,000,000,000 (1.24 trillion)places. This surpasses the old record by206,158,000,000 digits!Memorizing pi On February18, 1995, Hiroyuki Goto ofTokyo, Japan recited pi to42,195 places at the NHKBroadcasting Center, Tokyo.
7. 7. … Okay, it’s not written in stone that you have to celebrate Pi Day… or, maybe it is???
8. 8. So, consider doing some Pi-Day activities or projects centered a-round Wednesday, March 14th.Articles:Lets Take Another Look at Pi Day – Explores the many usesof Pi Day.(Mathematics Teaching in the Middle School, March 2002)Playing around with "Mono-pi-ly"(Mathematics Teaching in the Middle School, February 2006)The game of "mono-pi-ly" for two to five players was createdas a part of a Pi Day activity for use with a mixed-levelgeometry class. Students review and practice circlevocabulary, and area and circumference calculations byplaying the game. Playing time is approximately forty to fiftyminutes.
9. 9. So, consider doing some Pi-Day activities or projects centered a-round Wednesday, March 14th. Pi Day. Accept the challenge. The Pi Day Challenge is aseries of puzzles that are logic based. A team of logiciansadapted or created these puzzles – some requireresearch, some require mathematics, some require puresavvy.Joy of Pi contains a wide range of links to pi pages on theWeb including those on memorizing pi, posters to print, pimysteries, fun with pi, wacky pi stuff, and a pi fan club.Teach Pi bills itself as "a one-stop Pi Day shop forteachers and number lovers." Includes stories, more than50 pi-related activities, and music.
10. 10. So, consider doing some Pi-Day activities or projects centered a-round Wednesday, March 14th..Pi Day includes a section of teachers reporting on theirmost successful Pi Day activities, as well as a source tosend Pi Day cards.Explore the history and meaning of pihttp://www.mathgoodies.com/WebQuests/pi_day/A History of PiLinks to activities to use for a Pi Day celebration TheMath ForumWhere is your birthday in Pi?
11. 11. So, consider doing some Pi-Day activities or projects centered a-round Wednesday, March 14th. Just for FunThe New York Times science writer John Tierney wrote aMarch 2008 Pi Day article which includes a link to an appletthat calculates pi by using Buffons Needle, and introduces"pi-ku" using a 3-1-4 syllable pattern rather than thetraditional 5-7-5 syllable pattern of haiku.Its Pi Day!Learn maths mysteries.Three point one for the beginning.Celebrate!Its irrational!