Malara N.A., Navarra G. ArAl Project, Arithmetics Pathways towards favouring Pre-algebraic Thinking Pitagora Editrice Bologna, 2003 Cover Acknowledgments, etc First pages 1 – Part I: The Theoretical Frame, Part II: The Glossary: a mediaton tool between the theoretical framework and the Teaching Units 53 – Part III: The Teaching Units 55 – Unit 1: Brioshi »
