Students do not experience math in a vacuum. The curriculum, the students’ social and emotional well-being, and the teacher’s expertise as a facilitator must all be attended to, and each interacts with the others. ûGeoff Krall Math instruction in high school is often something of a grab bag, with schools jumping from curriculum to curriculum, lacking a guiding vision or continuity between years. No wonder so many students conclude, “I’m not a math person.” Geoff Krall thinks that’s a problem. And he’s devoted his career to fixing it. Necessary Conditions posits for the first time a coherent approach to secondary math pedagogy. Krall identifies three essential elements that will open the door to math for all your students: academic safety, quality tasks, and effective facilitation. Krall takes readers into real middle- and high-school classrooms to see how teachers cultivate these three "necessary conditions." With extensive examples, practical techniques and resources, and.