Vol. 5 Num. 1 (1985) Alain Bouvier On strategies for teaching2 Miroslav Holub Dreams11 Jack Gray Book Review: Geometrical investigations12 Paulus Gerdes Conditions and strategies for emancipatory mathematics education in underdeveloped countries15 Miroslav Holub The Last night Bus20 Raffaella Borasi , Stephen Brown Communication: A novel approach to texts21 Alan Bishop The social construction of meaning -- a significant development for mathematics education?24 Nicolas Balacheff , Claude Comiti , Colette Laborde , B. Cornu Four views of ICME-5: Rapport sur le congrès ICME V, Adélaide 198429 David Robitaille Four views of ICME-5: ICME-5 revisited31 David Pimm Four views of ICME-5: Letter from Adelaide33 John S. Conroy Four views of ICME-5: ICME past ... ICME still to come36 Renan Samurçay Learning programming: an analysis of looping strategies used by beginning students37 Ubiratan D'Ambrosio Ethnomathematics and its place in the history and pedagogy of mathematics44