Nov 2001 1 1 1 IT, Algebra & Teachers Ø How to promote the use of technology by teachers in algebra?  Professional development w Many money has already.

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Presentation transcript:

Nov IT, Algebra & Teachers Ø How to promote the use of technology by teachers in algebra?  Professional development w Many money has already been spend  Research on teachers practises: w Problems? w Obstacles?

Nov IT as a tool for research Ø Collaborative learning E.g.: AMICO (Delozanne, Grugeon)  Goal : w to make sense of algebraic expressions in arguing with  different virtual companions  a virtual mathematician

Nov Arguing with virtual agents Ø Problem:  Are (x²+8x+12) and (x – 3)(x- 5) equivalent expressions? Ø Solution :  Student : yes they are  Companion 1: I disagree. If I take x = 0…  Companion 2 : I disagree. By expanding…  Mathematician : They are not equivalent because…

Nov Computers of the future Ø Collaborative learning with virtual and human agents Ø New computers: Beyond the desktop  New input or display devices: w captors (e.g.: embodiment modeling, Arzarello)  Augmented reality: computers embedded in familiar objects w Electronic paper Ø New classrooms or schooling organization

Nov How can we affect the development of new technologies?