Connecting theoretical frameworks: the telma perspective

In this text, we report on a research project developed within the European research team TELMA (Technology Enhanced Learning in MAthematics) of the Kaleidoscope network of excellence created in 2004. We describe the conceptual and methodological tools we have progressively built for allowing productive research collaboration and overcoming the difficulties resulting from the diversity and heterogeneity of our respective theoretical backgrounds. We also show how these tools have contributed to give us a clearer idea of what is needed in terms of theoretical connection and integration in mathematics education, of what seems accessible today and how