After writing or curating 2,000 K-12 tasks and course blueprints, Illustrative Mathematics decided to try writing a fully formed curriculum. What were our guiding principles? How did we translate those lofty ideals into concrete lesson plans? What did we learn from the craziest year and a half of our lives? And how can this all be illustrated through the example of a number talk? Join us for these musings. Presented by Kristin Umland.