The MƒA Thursday Think Speaker Series brings accomplished thought leaders and experts who dive into cutting edge topics in STEM education to MƒA. In this interactive talk, Australian teacher and YouTuber Eddie Woo presented the pedagogical principles behind a range of activities, providing a low floor, high ceiling, and wide walls approach to encourage mathematical thinking. Eddie engaged teachers in a variety of collaborative, play-centered, and skill-based activities to implement in any mathematics classroom.