Challenges and research priorities in the context of TWG09: Mathematics and language

International audienceWe begin by briefly examining the relevance of the studyof language in mathematics education research, as wellas some of the collaborative forms in which TWG09 ismoving the study of language forward in the field. To providereasons for the recent contributions by TWG09, wesummarise lines of concern and tendencies that comefrom our reading of the set of papers and posters presentedat CERME9. We build on the review work by Morgan(2013) to argue for the consolidation of such a diversityof lines of concern and tendencies in the contemporaryagenda of the domain. The discussion of accomplishedgoals of the agenda points to a number of challenges andpriorities in the context of TWG09 – its participants,their interaction and their activity