The math wars often focus on conceptual understanding versus traditional algorithms. Jon Orr and Yvette Lehman explore a deeper challenge: understanding the prerequisite mathematical ideas students need to access new learning. K-12 Math Leaders: Download our free Math Coherence Compass to help your teammates, system leaders, and educators create aligned instructional practices—without adding another initiative. https://makemathmoments.com/coherence-compass/ Not sure what matters most when d...