Pi Day Fun

• A holiday made up to make you think more about math?

• An international holiday celebrated on 3/14 (in the US) because it's like 3.14

• A celebration of the power of a constant representing the circumference of a circle to its diameter?

• A reason to celebrate pie?

• All of these :)

Anciently, mathematicians determined that there was a relationship between the diameter of a circle and its circumference. The distance around a circle was a tad more than 3 times as long as the diameter. π is a constant that is used in formulas related to circles.

Rajveer Meena holds the Guiness World Record for memorizing the most digits of pi. In 2015, he recited nearly 70,000 digits of pi. It took him almost 10 hours to do it.

Larry Shaw organized a celebration, marching around their "golden seal of pi" 3.14 times while singing Happy Birthday to Einstein.

• Circular object(s) like plates, cans, rolls of tape, coin or bottle cap

• String

• Ruler

• Scissors (optional)

• Calculator

• Paper and pencil

• Measure the diameter of each object and record it

• Wrap the string around the outside of the circle, measure it and record it.

• Divide the circumference by the diameter for each pair

• Share your value with the group.

I'll call you and let you choose your prize $3.14 in cold hard cash or an actual pie (based on location and availability).

From all of us to all of you,

Happy Pi Day!