Area and Circumference of a Circle Song

This song is sung to the tune of the Wheels on the Bus

The area of a circle is Pi r squared
Pi r squared
Pi r squared
The area of a circle is Pi r squared
For all the circles

A= πr2

The circumference of a circle is 2 pi r
2 pi r
2 pi r
The circumference of a circle is 2 pi r
All around the circle

C= 2πr