On Friday 17th March, year nines had a celebration of Pi Day, which was on 14th March. Our task was to try and get as close to the actual number of pi as we possibly could, using the method that I will tell you now.
We had to try and make a perfect circle, using only a piece of string and a pencil, and then we drew on the diameter of the circle. We were given the pies, which are usually all about the same size, which is why we used them to make our lives easier, and we had to place as many as we could around the circumference of the circle – leaving no gaps to get our results as accurate as possible. We then multiplied the diameter of one of the pies by the amount of pies we could fit around the circle, and recorded these results. We repeated this for the diameter; we placed the pies as close together as possible, then multiplied the diameter of one of the pies by the amount of pies that would fit along the diameter, and recorded our results. We divided our recorded circumference by the recorded diameter, and this gave us our answer.
Most of us didn’t get as close to the actual number pi as we would have liked to, but the fact that we got to eat some pies definitely made up for it!
Lilli Walsh (Year 9)