Building on "Building Up": Proportional-Reasoning Activities for Future Teachers, Feb 1999, 286–89
Computation versus Number Sense, Oct 1998, 110–12
A Conceptual Model for Solving Percent Problems, Apr 1994, 20-25
Exploring Factor Sets with a Graphing Calculator. Oct. 1999, 78–82
Krystal's Method. Nov. 1999, 148–50
Promoting Number Sense in the Middle Grades, Sept-Oct 1994, 114-20
Readers Write, 1994-96, 15, 66, 106, 148
Readers Write, May 1997, 422
Readers Write, Nov–Dec 1998, 210–211
What Is the Whole-, Apr-May 1995, 356-60
Writing a PEMDAS Story. May 2000, 574–79
