Fall Edition 1991 © 1991 TABLE OF CONTENTS

Using Physical Materials to Develop Mathematical Institution in Fraction Part-Whole Situations Donald M. Peck and Michael L. Connell

Teachers Changing for Changing Times Kenneth L. Shaw and Elizabeth H. Jakubowski

The Incorporation of Process Mnemonic Instruction in Teaching Computational Skills: A Case Report on a Mathematics Learning Disabled Individual Emmanuel Manalo

Learning How to See: Students' Graphing Difficulties Penelope H. Dunham and Alan Osborne

A Theory-Driven Inquiry into the Conceptual Structure of Multiplication Jean Schmittau