## Happy Pi Day!

Let’s have some Pi! Tuesday is March 14, or what we math fanatics know as Pi Day! Pi Day is an excellent time to talk about math with children, and it is observed annually all over the world for the love of math and what we know as Pi. Pi is a mathematical constant which approximates to 3.14. It is the ratio of a circle’s circumference to its diameter, and Pi is the same for all circles regardless of size. [...]