Katherin Cartwright is a passionate mathematics educator and is currently a sessional lecturer and tutor at The University of Sydney teaching pre-service teachers. Katherin’s PhD research was on teachers' understanding of mathematical fluency and the characteristics of fluency students’ display. She is currently part of a three-year research project focusing on Embodied Learning in Early Mathematics and Science (ELEMS). Katherin is an active member of MANSW (NSW’s mathematics association) and is currently president of MANSW and secretary of the PreK-8 PAM committee. Katherin loves teaching and enjoys talking about mathematics, curriculum, and pedagogy. Katherin’s teaching background is with primary-aged students. She has a particular interest in researching mathematics approaches for primary teachers that will have a future impact on classroom practice.