By the Illustrative Mathematics team When members of the Illustrative Mathematics team recently spent a day inside two co-located schools in District 11 of New York City Public Schools (NYCPS), we expected to see solid instruction. What we experienced went further...
9–12 Math
What NYC Parents Are Telling Us About Math—and Why It Matters Now
Jan 8, 2026
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...
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...
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 Supportive Home/School Partnership for High School
Aug 25, 2025
While families arrive with different school experiences and perspectives on what “doing math” means, they often share common questions: “What do I need to know to set my child up for success in math this year?” and “How can I continue to support them throughout the...
Turning the Flywheel: The Next Chapter for Illustrative Mathematics
Aug 21, 2025
By Kristin Umland, IM CEO and Cofounder Twelve years ago, Illustrative Mathematics® (IM) was just a scrappy startup with very few resources, held together by five founders who shared a conviction that we could help educators across the United States elevate their math...
Student Voice: The Signal, Not the Noise
May 15, 2025
By Anita Crowder, PhD, Senior Director of Impact Research An ideal Illustrative Mathematics (IM) classroom is one where students’ curiosity drives learning, their feedback shapes instruction, and their identities are embedded in every mathematical task. Student voice...
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RECENT POSTS
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