Lorna Earle is a qualified teacher for both primary and secondary age ranges, who has always specialised in mathematics. Lorna began her teaching career in primary school where she was the maths lead, responsible for developing curriculum provision for all age groups. Lorna is currently a Senior Lecturer in Primary Education specialising and leading in mathematics at the University of Chichester. She teaches on both undergraduate and postgraduate initial teacher training courses. Lorna’s research interests include focusing on the importance of developing conceptual understanding to support formal methods in mathematics and the effective teaching and learning of times tables. Previously allergic to the subject, Sam Parkes became a primary mathematics subject leader during her fourth year of teaching and has gradually fallen in love with the teaching of maths since that point – a 180-degree turn! She is currently a Senior Lecturer and Primary Maths Specialist working as part of the ITE department at the University of Chichester. She teaches on the primary undergraduate and postgraduate programmes, is Deputy Programme Leader for the PGCE (Primary) and works with a wide range of schools to support improvements in maths, with both the University′s Academy Trust and local school partners. Her research interests include collaborative professional development, leading and managing sustainable change and developing inclusive community cultures, advocating for the empowerment and autonomy of teachers across the profession.