The phenomenon of teachers designing their own instructional materials is gaining more attention in research. Different aspects of this enterprise have been examined--its potential to reveal the complexity of teachers' instructional planning considerations, the design principles employed by teachers to realise instructional goals, among others. In…

In this paper, we explore how students' algebraic noticing's and explanations changed across a two-year period with the introduction of designed instructional material. The data in this report is drawn from n=53 Year 7-8 students' responses to a free-response assessment task across two different years. Analysis focused on how students noticed and…

This article describes an approach to developing student reading materials that support middle school learners in a project-based, inquiry curriculum for grades 6 through 8. Reading materials are designed to encourage sense making beyond the classroom, as students read and write about science as it takes place in a classroom and as it occurs in…