We demonstrate the power of Variation Theory as an analytical tool used to understand the underlying conceptual structure of mathematics lessons taught by English primary school teachers. We study excerpts of three lessons that are posted on a professional website. We show how lesson analysis using variation allows us to focus on what is made…

International exchange and training programs play a significant role in the development of international cooperation between educators from different nations. More and more teachers and school administrators participate in exchange programs and implement new curricular and instructional practices in their institutions. This paper presents findings…