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Several studies have investigated how the formation of informal conjectures, and the dialogue they evoke, might influence young children’s learning trajectories, and enhance their mathematical thinking. In a digital environment, the visual output and its distinctive qualities can lead to interpretation and response of a particular nature. In this paper the notion of visual perturbance is...This article has been published in Proceedings of the 30th Annual Conference of the Mathematics Education Research Group of Australasia. Australia, Hobart; 2-6 July, 2007.©2007 MERGA Inc. Used with permission. [Conference Item]

Abstract This study is concerned with the ways mathematical understanding emerges when mathematical phenomena are encountered through digital pedagogical media, the spreadsheet, in particular. Central to this, was an examination of the affordances digital technologies offer, and how the affordances associated with investigating mathematical tasks in the spreadsheet environment, shaped the... [Thesis or Dissertation]

This article, is concerned with the ways learning is shaped when mathematics problems are investigated in spreadsheet environments. It considers how the opportunities and constraints the digital media affords influenced the decisions the students made, and the direction of their enquiry pathway. How might the leraning trajectory unfold, and the learning process and mathematical understanding...This article has been published in the journal: Spreadsheets in Education. Used with permission. [Journal Article]

This paper is concerned with the use of spreadsheets within mathematical investigational tasks. Considering the learning of both children and pre-service teaching students, it examines how mathematical phenomena can be seen as a function of the pedagogical media through which they are encountered. In particular, it shows how pedagogical apparatus influence patterns of social interaction, and...This article has been published in the journal: Mathematics Education Research Journal. © 2006 Mathematics Education Research Journal. [Journal Article]