IM Certified® Blog
Celebrating Bill McCallum’s Accomplishments as CEO of Illustrative Mathematics®
Since 2011, Illustrative Mathematics (IM)—which has reached over three million students and educators—has been guided by the vision, expertise, and heart of our CEO and cofounder, Bill McCallum. Today, we are announcing a milestone for IM: At the end of this month,...
Research Study Finds Students Using IM Certified® Curricula Outperform Peers in Math Achievement
By William McCallum, IM CEO and cofounder At Illustrative Mathematics® (IM), we believe learning mathematics is a lot like learning to ride a bike. You don’t learn by watching someone else do it—you learn by getting on the bike yourself. Sure, it might feel unsteady...
Unlocking the ‘Our’ in Discourse
Catherine Castillo, Sr. Implementation Specialist Brea Jimenez, Sr. Specialist, Facilitator Certification and Quality Assurance What do you notice about this NCTM framework for mathematics teaching? What do you wonder? You likely noticed that four of these teaching...
Student Voice: The Signal, Not the Noise
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...
From Struggle to Success: A Math Coach’s Insights on IM® Math
Jennifer Cullen, Math Instructional Coach/Interventionist, Hortonville Area School District How do you transform math instruction to reach every student—from those who struggle to those who soar? We recently sat down with Jennifer Cullen, an experienced instructional...
Teach and Learn Together: A Professional Learning Community in Action
Deepa Bharath, District Instructional Lead Teacher, Mathematics at Cambridge Public Schools Sarah Caban, Interim Director, K–5 Teacher Learning at Illustrative Mathematics “Illustrative Mathematics is a problem-based curriculum that fosters the development of...
Using the IMplementation Reflection Tool: Classroom Implementation (Part 3 of 3)
Catherine Castillo, Sr. Implementation Specialist Claire Neely, Sr. Implementation Specialist "...[I]nstructional capacity for producing meaningful student learning is a function of the interactions among teachers’ pedagogical and content knowledge; the use of...
Using the IMplementation Reflection Tool for Collaborative Planning (Part 2 of 3)
Catherine Castillo, Sr. Implementation Specialist Claire Neely, Sr. Implementation Specialist “When teachers reflect on their students’ learning and their practice together, it can demonstrate that teaching challenges are normal, while also providing emotional support...
Empowering All Storytellers: Tips for Engaging Special Populations Using IM® v.360 for Grade 6-12
Tina Cardone, Specialist, 9-12 Content Brea Jimenez, Sr. Specialist, Facilitator Certification and Quality Assurance Note: This blog post is intended to inspire creative solutions to the challenges teachers of special populations face with and without support staff*,...
Using the IMplementation Reflection Tool: Systemic Leadership (Part 1 of 3)
Catherine Castillo, Sr. Implementation Specialist Claire Neely, Sr. Implementation Specialist “Given the critical role that school leaders play in supporting the development of coherent instructional systems at the school level, it is imperative to consider the forms...









