Zaira Ortiz-Laso gave a talk ‘Evaluating STEAM project-based learning instruction from a mathematical perspective’ during the Tradition, Development & Innovation in Didactics – Early Career Researchers Conference (TDID – ERC) . The conference was organised by Doctoral School at Babeș-Bolyai University and Linz School of Education at Johannes Kepler University. It was held online on 2nd and 3rd December 2021.