Pi, Greek letter (π), is the symbol for the ratio of the circumference of a circle to its diameter. Pi = 3.1415926535... Pi Day is celebrated by math enthusiasts around the world on March 14th. The official site for Pi Day is piday.org. A current and detailed analysis, go HERE. Wikipedia-ites, go HERE.
Teachers in many classrooms celebrate Pi Day this month, as π gets its own special day If one day of the year screams Party! in math class, that day is today. Teachers in classrooms across the globe take a break from the normal routine to plan a special celebration in honor of π. March 14 also happens to be the birth date of Albert Einstein!
Pi Day activities are meant to enrich and deepen students' understanding of the concept of pi. Activities might include investigations of the value of pi, special pi projects, and parties with pizza or other kinds of "pi." Because pi is 3.14159…, some schools hold their big Pi Day celebrations at noon 3/14 at exactly 1:59 p.m.
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