Events

Peter Weatherall: Circle Song
Peter Weatherall

Learn about the geometry of circles with Peter Weatherall’s Circle Song.

DK Find Out! Numbers
DK

Includes decimals, percentages, Pi, and positive and negative numbers.

Steve Spangler Science: What is Pi?
Steve Spangler Science

Did somebody say pie?! Well not that kind of pie… get ready to dig into the Mathematics of STEM with this hands-on activity to prove the constant Pi.

youcubed: Finding Pi
youcubed (Stanford University)

Construct a circle with a radius of 2 – 4 inches

Illuminations: The Ratio of Circumference to Diameter
Illuminations (National Council of Teachers of Mathematics)

Students measure the circumference and diameter of circular objects.

Illuminations: Pi Line
Illuminations (National Council of Teachers of Mathematics)

Students measure the diameter and circumference of various circular objects, plot the measurements on a graph, and relate the slope of the line to π, the ratio of circumference to diameter.