This year’s Pi Day, held on Friday 22 July, was a great way to celebrate and explore one of maths’ most well-known numbers in new and exciting ways. Even the date provided a point of education and interest, with 22 July seeming random at first, but actually coming from 22/7 — the simplest and most common approximation for Pi.

It was through other simple but interesting activities that the magic of Pi was revealed, such as making paper chains to represent Pi’s digits through colour, or even just testing your brain on various Pi-centric picture riddles.

The scavenger hunt, which involved investigating circles situated around the school area, was a big hit and allowed for a more active and engaging discovery of the wonders of Pi, with the promise of circular lollies at the end, too. Finally, the digits of Pi contest was the highlight, with students showing off their love for the number, and memorisation skills, by writing out as many digits as they could remember, edging on one hundred in some cases.

Overall, the day was a big success, and allowed for the concept of Pi, and all things related to it, to be explored in a fun and engaging way that hopefully gave all those who attended a new and different understanding of the number. Hopefully, through the rest of the term, we’ll be able to host similar events to explore other mathematical concepts and skills in fun and interesting ways.

Pi, one of the most well-known mathematical constants, is the ratio of a circle’s circumference to its diameter. For any circle, the distance around the edge is a little more than three times the distance across. Pi is actually an irrational number (a decimal with no end and no repeating pattern) that is most often approximated with the decimal 3.14.

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