Digital Technologies in Mexican High-Schools.

In this paper we present some of the issues in Mexican public high-schools related to the incorporation of digital technologies in mathematics classrooms; noting that the inclusion of technologies is very isolated, and that schools still lack proper facilities. We also present some of the didactical approaches of teachers in using digital technologies during their lessons; we observe lack of preparation of these lessons and conflictive situations for the learning processes arising from difficulties in the implementation of technologies and generated by deficient technical content and pedagogical knowledge.