Current
I am not teaching any classes in Fall 2017.
Previous classes
Mnicourse at MIT, March 2017:
Courses at UC Berkeley: (note: assignments and solutions have been removed. Email me if you are an instructor looking for resources)
At the University of Chicago:

(20132014) Math 161162163 (Honors Calculus). Inquiry based learning. Coinstructor with E. Herman

(2013) Math 196 Linear Algebra

(2012) Math 195 Mathematical methods for the social sciences. (multivariable calculus)

(2012) Math 113 Studies in Mathematics (geometry).
Course materials.

(2011) Math 112 Studies in Mathematics (number theory).
Course materials.

(20102011) Math 131132133 singlevariable calculus.