Graphing Pi

Did you know?
Pi is the circumference of a circle divided by the diameter of the circle. The circumference divided by the diameter of a circle is always Pi, no matter how large or small the circle is! Pi is approximately equal to 3.14159265358979323846… The digits go on and on with no pattern.

One way to remember the first 9 digits of Pi is to count the letters of: "May I have a large container of butter today": 3 1 4 1 5 9 2 6 5

Pi is used everyday by engineers to build and create new inventions.. Scientists also use it to create new medicines and to study body functions. .


Try this Make an artistic image of Pi by graphing it,


  • Graph paper (internet search “free graph paper”)
  • Pencil
  • Coloring materials

Write the digits of Pi along the bottom of the graph paper, one digit per space, for as far out as you wish to take it.

Here is Pi taken to the 100th decimal place: 3.14159265358979323846264338327950288 4197169399375105820974944592307816 4062862089986280348253421170679...


Graph it on a non-straight line. Try it on Fibonacci’s spiral. Pi meets the golden ratio!


This program has been designed for you to share with your child. Read the material together, ask questions and encourage your child to ask questions. Then nurture their curious mind by doing the activities with them. Books included are available via CPL’s digital library (with a library card).