This paper was presented to Thematic Working Group 10 (Diversity and Mathematics Education: Social, Cultural and Political Challenges) at the Eleventh Congress of the European Society for Research in Mathematics Education (CERME 11 – February 6-10, 2019), hosted by the Freudenthal Group, Utrecht. In the paper we introduce the solidarity assimilation methodology (SAM) under the Read more about Mathematics education’s solidarity assimilation methodology[…]