This Blueprint is a distillation of what the National Center on Education and the Economy (NCEE) has learned across nearly four decades of research and working shoulder-to-shoulder with partners to support education leaders and practitioners, policymakers, researchers, and community stakeholders to study, design, and build equitable,…

We describe here lessons learned in designing an early algebra curriculum to measure early algebra's impact on children's algebra readiness for middle grades. The curriculum was developed to supplement regular mathematics instruction in Grades K-5. Lessons learned centered around the importance of several key factors, including using conceptual…