Here's how we find Pi with our shoes.
How many shoes across?
How many shoes around?
Divide shoes around by shoes across to get close to Pi.
22 / 7 = 3.142857...
Pi = 3.14159265359...
close right?
Now try walking around and across the whole pad.
Did you get closer to Pi?
You can also try finding Pi around the Mosaic.
Where else can you find Pi?