Fall Edition 1999 © 1999 TABLE OF CONTENTS

A Perspective on "Give an Example" Tasks as Opportunities to Construct Links Among Mathematical Concepts Orit Hazzan and Rina Zazkis

The Development of Concepts of Average Jane M. Watson and Jonathan B. Moritz

Connecting Concepts of Numbers to Mental Computation Procedures: An Examination of Middle Grade Students' Achievement and Thinking William B. Weber, Jr

Assessing for Structural Understanding in Childrens' Combinatorial Problem Solving Lyn English