Creating Opportunities for Children to Think Mathematically, Apr 1999, 480–86
Developing Geometric Thinking through Activities That Begin with Play, Feb 1999, 310–16
Direct Modeling and Invented Procedures: Building on Students' Informal Strategies, Oct 1996, 92-95
Fourth Graders Invent Ways of Computing Averages, Oct 1996, 78-82
From Caterpillar to Butterfly: A Mathematics Teacher's Struggle to Grow Professionally, Nov 1997, 140-43
Instead of Teaching Missing Addends, Apr 1998, 458-61
Interpreting the Standards: Translating Principles into Practice, Dec 1997, 202-5
Invented Strategies Can Develop Meaningful Mathematical Procedures, Mar 1997, 370-74
(Mis?)Constructing Constructivism, Dec 1997, 198-200
Readers' Exchange, Oct 1996, 110
Readers' Exchange, Oct 1997, 118
There Are No Algorithms for Teaching Algorithms, Sept 1998, 26–30
