- Math 103: The Nature of Mathematics(many times)
- Math 235: Calculus I (many times)
- Math 310: Number Theory (Sp.14)
- Math 470: Connections in Mathematics (Sp.14, 15)
- Math 475: The Foundations of Geometry (F.13 and F.14)
- Math 232: Calculus with Functions II (Sp.12)
- Math 231: Calculus with Functions I (F.11)
- Math 167: Mathematical Explorations (F.11)
- Freshman class on elementary functions (at UCC).
- Masters class in Triangulations of point configurations (at NUI Galway).
- Final Year Projects (at NUI Galway).
- Masters class in Computational Algebra (in pidgeon spanish at CINVESTAV).
- Masters class in Polytopes (in pidgeon spanish at CINVESTAV).
- Second year class in Linear Algebra (at University of Kentucky).
- A set of guidelines that I wrote for beginning mathematics students on things to keep in mind when writing mathematics.
- I justify watching American Idol and The X-Factor to colleagues and students alike in all sorts of ways. But this is a genuinely insightful article on what X-Factor has to teach our students about standards and assessment, and to teach teachers about teaching.