

Introduction
Latest Episodes
Why Exposure Matters More Than Mastery
In this live Tier 1 Interventions session, Cheri Dotterer and Jonily Zupancic take you inside a Level 2 Mastery Math Method class as they explore the classic Locker Pr...
Moral Obligation in Math Education Why Good Teaching Isn’t Enough
In this passionate and powerful episode of Tier 1 Interventions, Cheri Dotterer and Jonily Zupancic are joined by fellow educators Kirk, Teresa, Kathy, and Natalie for...
Why Division is More Foundational Than Addition
In this powerful Level 2 episode of the Mastery Math Method series, math specialist Jonily Zupancic takes us deeper into the strategy of reordering math instruction fo...
Teach Division First?!
Why do we start math with addition when kids naturally understand sharing first?In this Level 2 Mastery Math Method training, Jonily Zupancic and Cheri Dotterer challe...
The Secret to Math Success for the 2025-2026 School Year
Welcome to the kickoff of our August Saturday Math! 🎉 In this episode, Jonily Zupancic and Cheri Dotterer set the stage for the 2025–2026 school year with a focus on d...