The Collaborative Teacher Inquiry Project was a professional development initiative that sought to improve the teaching and learning of Grade 9 Applied mathematics by encouraging teachers to work collaboratively. The project brought together Grade 9 Applied mathematics teachers from 11 schools across four neighboring public school boards in the…

This study examined how a ninth grade teacher improved an Algebra I lesson through a lesson study approach. We used multiple data sources to investigate the improvement of the lesson towards student-centered mathematics instruction, perceived benefits of the teacher, and factors associated with the improvement of teaching. The lesson group…

Collective approaches to practice development are increasingly common in the teaching profession. Such initiatives frequently involve groups of teachers taking responsibility for introducing, sharing and developing new pedagogical resources and for aiding their integration into existing practices. This article explores teachers' knowledge work as…