by Ashli Black, Director, 5–12 Content You’re wrapping up the day’s lesson, head filled with all the things you saw on student papers and heard as you visited groups. You already have some ideas about what is going smoothly and what you’ll want to spend some extra...
lesson planning
Fluency Development Within and Across the Grades in IM® K–5 Math Part 4: Multiplication and Division
Mar 10, 2026
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,...
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...
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...
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...
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...
Preparation Matters: Using Strategic Planning to Maintain the Magic in Math Communities All Year Long
Aug 22, 2024
By Meredith Dadigan Abel, K-5 IM Certified® Facilitator When teachers come back from summer break, there is a magical feeling in the air. For me, it’s like the feeling that accompanies the first snowfall of the season. Teachers feel refreshed, renewed, and filled with...
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