Abstract
Two teachers, good friends and colleagues, and yet with quite different
approaches to the teaching of mathematics, exploring what· was for them '
"new territory" (pedagogically and mathematically) as they taught a problem
based unit of work for the first time. Using classroom observations and post-observational
interviews, this study described the challenges of the teaching of
the unit through teacher identification of "critical incidents" that were
encountered. This paper tells the story of professional growth through ..
highlights and challenges, and explores issues of support. provided by
colleagues and the researcher.