Brown, J. (2013). Teaching roles in technology-rich teaching and learning environments (TRTLE's). 1V. Steinle, L. Ball, C. Bardini. 106-113. Australia: Mathematics Education Research Group of Australasia.
This paper reports part of a study of secondary mathematics teachers in Technology-Rich Teaching and Learning Environment (TRTLE's). Three TRTLE's, two year 11 and one year nine class and their teachers were the focus of the study. Seven Teaching Roles were identified as teachers acted to allow students to perceive and enact affordances of TRTLE's appropriate to the learning of functions. Each role is important in allowing future independent perception and enactment of affordances by students.
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