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Educators Mark 30th Annual Pi Day Celebration

curvy mama pie.jpg

Pi Day has become more than just a celebration for teachers and math nerds—fast food joints, chefs, politicians, auto repair shops, and even the National Hockey League have found ways to get in on the advertising, err, action.

Pi Day is held each March 14 to honor π, the constant used to represent the ratio of the circumference a circle to its diameter, or approximately 3.14. (It's not to be confused with National Pie Day, held each Jan. 23 to honor my personal favorite dessert.)

And while this year's Pi Day isn't quite as exciting as the one two years ago on 3/14/15—when at 9:26:53am, the clock aligned to represent the first 10 digits of pi—it is still a notable one. This year marks the 30th annual celebration of Pi Day.

Larry Shaw, a physicist working at the Exploratorium, a science museum in San Francisco, organized the first official Pi Day in 1988. (So yes, it's been celebrated 30 times, but you might also say this is really only the holiday's 29th birthday.) The museum is marking the occasion with free entry today and "π-themed activities, rituals, antics, and plenty of pie," according to the website. 

Teachers looking for Pi Day activities can find dozens at TeachPi.org. Scholastic and PBS LearningMedia have Pi Day resources as well.

It's worth noting that the day also coincides with Albert Einstein's birthday. This year, he would have been 138. 

See also: A Pi Day for the Ages

Image: CurvyMama Pies

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