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,...
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 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...
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 important insights into what families are...
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 ratio reasoning that positions them to reason...
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 options for students on the road to becoming...
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 differentiate instruction while using this...
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 challenges is: how can we best align these...
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 post off with a great work example from grade 3....
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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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