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...
assessment
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...
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...
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...
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...
Exploring Ratio Reasoning with Student Work
Nov 2, 2022
By Tashana Howse, IM Certified® Facilitator The relationship between fractions, ratios, and proportions is introductory to students' development of the study of Algebra. Therefore, it is important for students to engage in...
Using IM Algebra 1 Extra Support Materials to Address Unfinished Learning: An Example
Mar 17, 2022
By IM Professional Learning Team How do we attend to unfinished teaching and learning, while attending to grade-level expectations? Algebra 1 is often called a “gatekeeper.” Successful completion of Algebra 1 unlocks...
Differentiating Instruction with
IM 6–12 Math™
Jun 22, 2021
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...
IM 6–12 Math: Grading and Homework Policies and Practices
Feb 9, 2021
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...
The Nuances of Understanding a Fraction as a Number
Dec 7, 2020
By Kristin Gray This was originally posted on Kristin Gray’s personal blog, Math Minds, on November 15, 2020. Student work is just the best. It is the one thing that will always motivate me to write! So, let’s kick this...
Looking to the Fall, Part 2: Creating a Supportive Resource for K–5 Teachers
May 20, 2020
By Kristin Gray, Director K–5 Curriculum and Professional Learningand Kevin Liner, IM K–5 Professional Learning Lead In our previous post, we highlighted important considerations in planning to support students in the fall....
Looking Ahead to 2020–21 in IM 6–8 Math and IM Algebra 1, Geometry, and Algebra 2
May 14, 2020
By David Petersen, Lead Curriculum Writer and Kate Nowak, Director of K–12 Curriculum Strategy This school year has been strange and stressful, and there is uncertainty about what next year will look like. Due to school...
Looking to the Fall, Part 1: Welcoming and Supporting K–5 Students
May 7, 2020
By Kristin Gray, Director K–5 Curriculum and Professional Learningand Kevin Liner, IM K–5 Professional Learning Lead It is overwhelming to think about how teaching and learning will look in the fall. The uncertainty of the...
Shifting Practices: Helping Everyone—from Students to Administration—Find their Voice in the Math Classroom
Feb 29, 2020
It was easy to say yes! By Crystal Magers Last spring, I was approached by our Math Coordinator and asked about piloting a new math program. I knew my staff was ready for building-wide consistency and we were ready to try...
Preparing for the School Year, Updated with Tips for Staying on Pace
Aug 30, 2019
Last year, we put together some reading to help people get started planning their year with IM 6–8. Now, we have another year’s worth of blog posts to choose from, plus a shiny, new high school curriculum! So once again,...
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RECENT POSTS
- 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
- Fluency Development Within and Across the Grades in IM® K–5 Math Part 1: Addition and Subtraction Mar 4, 2026
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