In this episode of the Mr. Barton Maths podcast, Craig is joined by Chris Shaw, a mathematics educator with nearly 30 years of experience. They discuss Chris's transition from secondary school teaching to a full-time role at Loughborough University, where he is involved in teacher training and research. The conversation delves into the importance of effective explanations in mathematics education, the challenges of pursuing a PhD, and the role of sense-making in teaching. Chris shares insights from his research on what constitutes a good mathematical explanation and the significance of example selection in teaching. The episode concludes with reflections on the complexities of teaching and the ongoing quest for effective educational practices. Read the show notes here: podcast.mrbartonmaths.com/212-research-in-action-29-explanations-and-reasoning-with-chris-shore