IM Certified® Blog
Differentiating Instruction with
IM 6–12 Math™
By Max Ray-Riek, Director of 6–12 Professional Learning In my role at IM, working with teachers and administrators, I am asked to help with the challenges of implementing an IM curriculum. We are often asked, “How can I differentiate instruction while using this...
What does it mean to enjoy mathematics?
By William McCallum When I started this series of blog posts on what it means to know, use, and enjoy mathematics, I thought this one would be the easiest. Math is fun, right? How could you not enjoy mathematics? I certainly do—I love the complexity in underlying...
The Joy of Fluency
By William McCallum I’m not a very good skier, but I have once or twice in my life experienced the joy of a perfect run: gliding down the slopes, taking each turn with confidence. And I’ve had terrible runs where I struggled up a slope to find a detached ski, getting...
A Circumference By Any Other Name…
By Becca Phillips You can’t tell a child “there’s no such thing as monsters” because, well, then, why is there a word for it? I was given this advice when my own daughter was an infant, but I’ve thought a lot about it over the years, and how inextricably linked our...
Building Equitable Learning Environments for Each Student
By Danielle Seabold, IM Certified® Facilitator “All students can be successful in mathematics.” For most mathematics educators, we lean into this. We believe that all students can learn mathematics, and that they can be successful. However, as we focus our lens on the...
Explorations in IM K–5 Math: Challenges for Curious Students
By Jen Hawkins and Mike Nakamaye What do we do with curious students who are ready, willing, and able to go further with math ideas? Some students cannot wait to dig deeper into the mathematics they are studying in class. Their curiosity comes from working with a...
What Does It Mean to Use Mathematics?
By William McCallum Our vision at Illustrative Mathematics is a world where all learners know, use, and enjoy mathematics. In my last post I picked up that first verb and talked about what it means to know mathematics. In this post I'd like to talk about what it means...
Supporting Culturally Responsive Pedagogy with IM K–5 Math™
By Dionne Aminata “We are striving to . . . compose a country committed to all cultures, colors, characters, and conditions of man. And so we lift our gazes not to what stands between us, but what stands before us.” Poet Laureate, Amanda Gorman Amanda Gorman recited...
IM 6–12 Math: Grading and Homework Policies and Practices
By Jennifer Willson, Director, 6–12 Professional Learning Design In my role at IM, working with teachers and administrators, I am asked to help with the challenges of implementing an IM curriculum. One of the most common challenges is: how can we best align these...
By the End of Grade 3: Developing Fluency with Multiplication
By Zack Hill The major work of grade 3 includes representing and solving problems that involve multiplication and division. Then, by the end of grade 3, students are expected to know from memory all products of two one-digit numbers. What does this look like and how...









