Presentations & Publications
April 23, 2010 
Zooming in on number lines: connecting whole numbers, decimals, and fractions NCTM Annual Conference 12:301:30 
January 16, 2014 
"Puzzling through problems” as a habit of mind 32nd Panama conference We often think of puzzles as specialpurpose artifacts crafted solely for the purpose of entertainment. 
April 14, 2011 
Algebra: Grades K12: a perspective from three programs NCTM Annual Meeting 
April 14, 2011 
Algebra: Grades K12: a perspective from three programs NCTM annual national conference 
January 3, 2005 
Alphabet Number Soup: Mmmm, Mmmm, Good: Integrating Math and Language Arts Using Headline Stories Annual Hawaii International Conference on Education "Tell a story with number 4 in it."” In responding, a child develops number sense and language skills. This session offers ideas for infusing language into... 
April, 2006 
Building Standard Algorithms: From Buttons to Algebra An excerpt from the teacher's materials that describes how Think Math! uses children's own natural ideas about sorting objects as a foundation for... 
April 19, 2002 
Classical Mathematics for the Modern Classroom: A Comprehensive K5 Elementary Curriculum NCSM Annual Meeting 
March 23, 2007 
Counting on Curiosity NCTM Annual Meeting What makes students curious? How does their curiosity drive learning and understanding? 
March 23, 2011 
Cross Number Puzzles ATMIM/ATMNYS 2011 Conference Sorting to Algebra 
April 15, 2011 
Deep thinking and real fun with vertices, edges, and faces NCTM Annual Meeting Ever wonder what there is to do with this vocabulary other than know it? 
April 23, 2010 
Drill and thrill: mindful practice that connects skill with understanding NCTM Annual Conference 2:003:00 
Fractions One of the reasons why fractions are often considered difficult to teach and learn is that they are often introduced with more complexity than makes sense... 

October 1, 2007 
From Buttons to Algebra: Learning the ideas and language of algebra, K12 What could mathematics be like? It could spark curiosity! (How can addition and subtraction sentences ever do that?!) And it could be fascinating! 
April 14, 2011 
Geometry and early algebra: attributes, function machines, and sorting NCTM Annual Meeting By sorting nonstandard as well as gardenvariety geometric shapes, children see enough contrast to recognize what features make particular shapes special... 
January 12, 2006 
Geometry Field Trip: From 2D to 3D ATMIM Winter Conference Come along on a journey of transformation from 2D nets to 3D shapes. Uncover surprises about the relationships between vertices and faces in different... 
April, 2006 
Headline Stories: A Developmental Approach to Word Problems An excerpt from the teacher's materials that describes a unique feature of Think Math! that prepares children to be creative problem solvers and... 
April 4, 2005 
Helping Teachers See an Algebraic Story Line in Elementary School Math, and Learn the Algebraic Ideas as They Teach Them to their Children NCSM Annual Meeting Number "tricks" that make children feel brilliant can teach them their facts and the basic patterns they'll relearn in algebra. 
January 10, 2008  How the ideas and language of algebra K5 set the stage for algebra 6–12 
April 23, 2010 
Keeping up, not catching up: differentiating instruction without differentiating children NCTM Annual Conference Abstract: For strugglers, timing matters. A little help before a lesson gives a child two chances to learn: the help session, and the lesson for which the... 
April, 2011 
Mathematical Habits of Mind for Young Children Elementary school teachers are in the unique and difficult position of managing just about everything, and often try to integrate their activities, finding... 