Data comes to the rescue! Children will collect, analyze, and represent data as they try to dodge a series of catastrophes faced by characters from their favorite PBS Kids shows.

Two hands-on lab activities for instructors to use when teaching about the coordinate graphs of the sine, cosine, and tangent functions derived from a unit circle. The graphs of the reciprocals of the three functions are investigated....

In this activity students will contribute a set of random points to a graph of a circle of radius 1 inscribed in a square. They will estimate the area of the circle using geometric probability.