February 25, 2014 

January 9, 2013 
Joint Mathematics Meeting
with help from Glenn Stevens (Boston University)

January 9, 2013 
Joint Mathematics Meeting 
January 9, 2013 
Joint Mathematics Meeting

January 9, 2013 
Joint Mathematics Meeting 
November 29, 2012 
Suggestions for Mathematical Preparation and Professional Development 
March 9, 2012 
Kentucky Center for Mathematics Conference
The Standards for Mathematical Practice can be used as a foundation to help educators bring some desperately needed mathematical coherence to school algebra. 
March 4, 2012 
2012 T³ International Conference
The example shows how the Euclidean algorithm can be used to illustrate the structural similarities between integers and polynomials.

March 3, 2012 
2012 T³ International Conference
Demonstrates some of the examples from the National Council of Teachers of Mathematics’ (NCTM) monograph “Reasoning and Sense Making in Algebra”.

February 13, 2012 
Urban Mathematics Leadership Network

April 13, 2011 
NCTM Annual Conference 2011
At NCTM 2011, attendees learned some mathematics while vying to win a selection of fine cheeses and a copy of Slumdog Millionaire. 
February 16, 2011 
Chicago Common Core Conference
In February, a conference was held at the University of Illinois at Chicago on the Common Core State Standards. 
January 29, 2010 
UIC Symposium
Internet navigation, spreadsheet use, financial decision making, and cell phone programming all require the abilities to reason about calculations, develop algorithms, use symbols, and describe rel 
March 5, 2009 
Seminario di Didattica della Matematica, Sapienza, Università di Roma
Computer algebra systems can be used to help high school students build computational models of algebraic systems and structures. 
February 12, 2009 
Seminari di Geometria Dinamica, Sapienza, Università di Roma
In addition to its uses as an experimental tool and a medium in which to model mathematical phenomena, dynamic geometry environments can help students develop mathematical ways of thinking, especia 
December 4, 2008 
ME 558 — Mathematics Curriculum: Issues and Trends, Boston University
This talk was given to students in Suzanne Chapin's class on mathematics curricula.

September 25, 2008 
The Future of High School Mathematics Conference
The Center for Mathematics Education at the University of Maryland, along with "Math Is More" and a group of progressive curriculum development projects, hosted a conference of leaders in high scho 
June 28, 2008 
USACAS Conference
The human mind can establish facts about mathematical objects even when the objects are difficult (or impossible) to write down explicitly. 
May 14, 2008 
Critical Issues in Education Workshop: Teaching and Learning Algebra
An examination of the daytoday work of high school teachers shows that fundamental ideas and results from abstract algebra, linear algebra, and number theory are useful tools for teaching high sc 
May 2, 2008 
Center for the Study of Mathematics Curriculum (CSMC) Second International Curriculum Conference: Future Curricular Trends in School Algebra and Geometry, 