Winter Edition 2001 © 2001 TABLE OF CONTENTS

Reflections from Two Case Studies of Imagery and Meaning in Eigth Grade Mathematics Ines C. Plasencia Cruz, Norma C. Presmeg, and Rosa MaGuemes

Word Arithmetic Problems Invented by Children on the Basis of an Arithmetic Operation Josefa Hernandez and Martin M. Socas

Visualization in Multivariable Calculus: The Case of 3D-Surfaces Samer Habre

When Beliefs About Mathematics Collide in Sixth Grade: Mark Resisted Change Candice Ridlon