Khan Academy: Introduction to Euclidean Geometry: Language of the Circle

An introduction to why we use t statistics.

Introduction to experiment design. Explanatory and response variables. Control and treatment groups.

Introduction to residuals and least squares regression.

Introduction to sampling distributions.

Introduction to Exponential Decay. Using the exponential decay formula to calculate k, calculating the mass of carbon-14 remaining after a given time, and calculating the time it takes to have a specific mass remaining. [9:19]

This video [1:14] lesson is an introduction to Parabolic Arcs. What do parabolic arcs have to do with blades of grass?

Introduction to sample slopes and using them to make confidence intervals or do a test about the population slope in least-squares regression.

This video [1:59] is an introduction to subdivision surfaces. You can animate it using just a couple of points so we've solved the complex problem of creating curves by breaking it down into steps we can solve with math.

This video [1:48] is an introduction to combinatorics. How to create a huge crowd of robots using only a few simple parts.

Introduction to the chi-square test for homogeneity.