By the Illustrative Mathematics team A new parent poll from EdTrust–New York marks the first step in a statewide effort to better understand persistent challenges in mathematics instruction and outcomes. The findings offer important insights into what families are...
IM K-5 Math
How IM® Math Supported a 24.8-Percentage-Point Math Gain in NYCPS District 11
Jan 6, 2026
By the Illustrative Mathematics team The gains in math achievement experienced by District 11 in New York City Public Schools (NYCPS) are not the result of a sudden shift or a one-year initiative. They reflect years of deliberate, system-level work focused on...
Reenvisioning Classroom Observations
Dec 17, 2025
Catherine Castillo, Sr. Specialist, Implementation Enablement Claire Neely, Sr. Specialist, Implementation Enablement “Both rigorous performance evaluation and frequent formative feedback are important building blocks for promoting a strong teacher workforce. Mounting...
How the Nation’s Largest School Districts Are Boosting Student Achievement with IM® Math
Dec 16, 2025
In a recent opinion piece published by the New York Daily News, the leaders of the nation’s two largest school districts celebrate the gains their students have made since adopting IM Math. New York City Public Schools Chancellor Melissa Aviles-Ramos and L.A. Unified...
Implementing a New Math Curriculum: 4 Tips You Won’t Find in a Textbook
Dec 9, 2025
By Meredith Dadigan Abel, IM Certified® Facilitator, K-5 Teachers are the heartbeat of any new math curriculum—they bring lessons to life, adapt to student needs, and make learning happen every day. But behind the scenes, administrators are the backbone, ensuring the...
Transforming Teacher Beliefs Through a Curriculum-Based MathLab
Nov 19, 2025
By Anita Crowder, PhD, Senior Director, Impact Research and Jennifer Wilson, EdD, Senior Director, Implementation Enablement Adopting a problem-based instructional model offers both opportunities and challenges for educators. How do we respond when teachers say, “But...
The Role of Revision in Math Class
Oct 22, 2025
By Courtney Ortega, IM Certified® Facilitator Learning takes time. Students make connections, deepen their understanding, and address misunderstandings. Along the way, it can make the learner feel vulnerable. “When we learn, we actively work to make sense of an idea...
Building a Math Community with IM K–5 Math
Sep 11, 2025
By Tabitha Eutsler, 3rd Grade Teacher “I’m not sure this is working. Only five of my students are participating and commenting each day. The rest sit there and look at me.” This was my conversation with our math coordinator after my first few days of teaching IM K–5...
NCTM and NCSM: A Video Interview With Bill McCallum
Oct 11, 2024
By Bill McCallum, IM CEO and cofounder As CEO and cofounder of Illustrative Mathematics, Bill McCallum shares his reflections from the 56th Annual NCSM Conference and NCTM’s 2024 Annual Meeting & Exposition in Chicago, where he connected with educators, explored...
Reintroducing the IMplementation Reflection Tool
Aug 29, 2024
By Claire Neely, Senior Implementation Specialist Illustrative Mathematics’ redesigned IMplementation Reflection Tool (IRT) is a powerful, non-evaluative resource intended to shape the way your school adopts and implements IM Certified® Math. With research-backed...
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