NCTM 2011. Geometric and Algebraic Reasoning through Pattern Generalization

NCTM 2007 Regional. Hands-On Geometric Problems Workshop

NCTM 2006 Regional. Hands-On, 3D Geometry Problems

NCTM 2005 East Regional. User Friendly Assessment Strategies

NCTM 2004. Patterns Here, Patterns There, Patterns Everywhere

NCTM 2004 Regional. Connecting Representations: Successes and Pitfalls

NCTM 2003 South Regional. Teaching and assessing algebraic thinking: problems with unique solutions, multiple solutions, and no solutions