Fall 2011: Math 12, Precalculus.
Spring 2011: Math 280, Topics in the theory of matroids: Polytopes, splines and matroids
Winter 2011: Math 67, Modern linear algebra.
Fall 2010: Introduction to the theory of matroids.
Winter 2010: Math 145, an introduction to combinatorics.
Fall of 2009: Math 16C, Short Calculus 3.