This case investigation followed the progress of middle students with disabilities, their peers, and teachers in co-taught science classrooms where a hands-on, inquiry-based curriculum was used. Students with disabilities (n=21), including learning disabilities, mild intellectual impairment, and mild autism were placed in co-taught classes with…

The research article in this article is part of a larger study that examines an initiative to expand teacher expertise in facilitating mathematical problem solving within the framework of developing and field-testing pedagogical resources. We focus on one year of the study and report on the complex process of professional development as teachers…