Thouless, H; Gifford, S; (2019) Paper Plate Patterns: Pre-school teachers working as a community of practice. In: Engelbrecht, Johann and van Putten, Sonja, (eds.) Proceedings of 43rd Conference of the International Group for the Psychology of Maths Education (IGPME 2019). (pp. pp. 375-381). University of Pretoria, South Africa: Pretoria, South Africa. Green open access