By Sarah Caban, Director, PK–12 Learning Experiences and Dionne Aminata, Former Grade 2–5 Lead Writer“Some students are never given the opportunity to engage with mathematics in rich and meaningful ways that emphasize critical thinking and problem solving. Moreover,...
classroom discourse
Fluency Development Within and Across the Grades in IM® K–5 Math Part 3: Multiplication and Division
Mar 9, 2026
By Sarah Caban, Director, PK–12 Learning Experiences and Dionne Aminata, Former Grade 2–5 Lead Writer “The idea of being a ‘math person’ is based on two pervasive world views; first, the so-called ‘fixed’ mindset, that what one knows about math cannot change...
Fluency Development Within and Across the Grades in IM® K-5 Math Part 2: Addition and Subtraction
Mar 5, 2026
By Sarah Caban, Director, PK–12 Learning Experiences and Dionne Aminata, Former Grade 2–5 Lead Writer “We have to break from the notion that learning mathematics must be a linear and procedural endeavor mastered through rote practice and memorization. Instead, we must...
Fluency Development Within and Across the Grades in IM® K–5 Math Part 1: Addition and Subtraction
Mar 4, 2026
By Sarah Caban, Director, PK–12 Learning Experiences and Dionne Aminata, Former Grade 2–5 Lead WriterWhen do students practice their math facts? How is math fluency assessed?We appreciate these questions for a couple of reasons: 1) We took great care in thinking...
Staying Grounded in Classrooms: A School Visit to PS 121 in the Bronx
Feb 25, 2026
By the Illustrative Mathematics team In February, a group of Illustrative Mathematics (IM) leaders spent a day at PS 121, an elementary school in NYC Public Schools District 11 located in the Bronx. The purpose of the visit was straightforward but meaningful. We...
Too Many Students Believe They’re Not “Math People.” Early Math Can Change That.
Feb 3, 2026
By: Dr. Kristin Umland, IM CEO and Cofounder A recent RAND survey found that the students who are the most likely to maintain interest in math are those who understand and enjoy it, feel supported, and see themselves as “math people.” It also found that nearly a third...
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...
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...
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RECENT POSTS
- What LEGO Taught Us About Play-Based Learning in Transitional Kindergarten Mar 18, 2026
- Staying Curious in Transitional Kindergarten: What Inquiry Play Reveals About How Students Think Mar 11, 2026
- Fluency Development Within and Across the Grades in IM® K–5 Math Part 4: Multiplication and Division Mar 10, 2026
- Fluency Development Within and Across the Grades in IM® K–5 Math Part 3: Multiplication and Division Mar 9, 2026
- Fluency Development Within and Across the Grades in IM® K-5 Math Part 2: Addition and Subtraction Mar 5, 2026
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