Birthdays and the Binary System: A Magical Mixture, Sept 1997, 6–12
A Conceptual Model for Solving Percent Problems, Apr 1994, 20-25
Finding Common Ground. Dec. 1999, 236
The Fractions of a Day, Nov–Dec 1997, 192–95
Fractions of Ancient Egypt in the Contemporary Classroom, May 1996, 786-89
Honest Numbers: A Mathematics and Languages Connection, Oct 1997, 142–47
How Children Think about Division with Fractions, May 1997, 390–94
It Is Time to Question Fraction Teaching, Jan-Feb 1996, 604-7
Juniper Green, Apr 1999, 438–40
Multiplication with Fractions: A Piagetian, Constructivist Approach, Feb 1998, 339–43
My Application of the Pythagorean Theorem, May 1996, 814-16
Not One, But Six Fractions Equivalent to One-Third!, Nov–Dec 1997, 213–14
Promoting Classroom Dialogue: Using Calculators to Discover Patterns in Dividing Decimals, Apr 1994, 72-75
The Ratio Table, Jan-Mar 1995, 282-88
Readers Write, 1994-96, 98, 100, 148, 244, 246, 268, 270, 272, 375, 775, 817
Readers Write, Sept–Oct 1996, 46–48, 50–52, Feb 1997, 200, 250, Mar–Apr 1997, 296
Readers Write, Sept 1997, 4, Feb 1998, 323
Readers Write, Jan 1999, 215; Feb 1999, 322; May 1999, 496
Readers Write. Sept. 1999, 5, 54; Feb. 2000, 344
Stop Using Foul Language in the Mathematics Classroom, Oct 1997, 154–60
Toys 'R' Math, Jan 1997, 140–45, 159
Translating Number Words into the Language of Mathematics, May 1996, 798-800
"Tri-Square" Numbers, Apr-May 1995, 408-9
Using Bar Representations as a Model for Connecting Concepts of Rational Number, Jan 1998, 302–12
