In a recent “Sound Off” in Mathematics Teacher, Robert Reys and Rustin Reys (2009) contrasted two curricular approaches, what they called “subjectbased” and “integrated.” They came down heavily in favor of the latter, arguing that many of the difficulties that students have with high school mathematics are consequences of the subject–based organization.
Al Cuoco, acuoco@edc.org, and E. Paul Goldenberg, pgoldenberg@edc.org, have been classroom teachers for more than two decades and have spent nearly four decades attending to issues of curriculum and teacher development. They are involved in research and development at the Education Development Center in Newton, Massachusetts.