This paper explores one school's implementation of a locally developed curriculum reform known as "Math-Science Investigations". At one level, it offers an account of a reform told from the perspective of a classroom teacher and her 3rd- and 4th-graders. At another level, it reconstructs their experience to explore the understandings of the…

This study, part of a narrative classroom inquiry into the teaching and learning of mathematics in a Canadian elementary classroom, emerges from the three years I was a participant-observer in Janine O'Neil's 3rd/4th-grade classroom at Bay Street Community School. Drawing on the curriculum commonplaces of teacher, social milieu, subject matter,…