2022 was a remarkable year of growth and achievement at IM. Our employees are energetic, inspired, and committed to our vision of a world where all learners know, use, and enjoy mathematics. I couldn't be more proud of what we have achieved this year. And I am so...
Search Results
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, we’ve gathered some posts from IM’s blog with...
Proof in IM’s High School Geometry (A Sneak Preview)
Nov 13, 2018
Supporting high-school students to write detailed, precise proofs is challenging. Learn about some of the design elements that IM used to invite students to a deep exploration of proof. In IM’s high school Geometry curriculum, students are asked to engage in the proof...
IM Preparing for the School Year
Aug 6, 2018
There are always so many things to do in preparation for a new school year. At this point of the summer, to-do lists start getting made, materials get purchased, rooms are organized, and math class planning begins. Whether you are using the IM 6–8 Math...
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 impact of students missing so many days of...
Staying Curious in Transitional Kindergarten: What Inquiry Play Reveals About How Students Think
Mar 11, 2026
By Lindy Olejniczak, PK–6 Content Specialist This past year, I was playing with my friend’s 2.5-year-old sons. The “game” started with bringing colored balls from a ball pit and tossing them to me. As I caught each one, I began arranging them in different ways. At one...
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...
Free, High-Quality Math Curriculum and Support for California Classrooms
Feb 18, 2026
By the Illustrative Mathematics team California educators are navigating big shifts in math instruction, grounded in access, coherence, and deeper student understanding. California AccessIM was designed to meet this moment. Available to all educators at...
How IM® Math Supported a 24.8-Percentage-Point Math Gain in NYCPS District 11
Jan 6, 2026
By the Illustrative Mathematics team The gains in math achievement experienced by District 11 in New York City Public Schools (NYCPS) are not the result of a sudden shift or a one-year initiative. They reflect years of deliberate, system-level work focused on...
Reenvisioning Classroom Observations
Dec 17, 2025
Catherine Castillo, Sr. Specialist, Implementation Enablement Claire Neely, Sr. Specialist, Implementation Enablement “Both rigorous performance evaluation and frequent formative feedback are important building blocks for promoting a strong teacher workforce. Mounting...
to the IM Blog and Newsletter
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
Categories
- 6–8 Math (143)
- 9–12 Math (114)
- Assessment (1)
- Back to School (7)
- Classroom Community (5)
- Classroom Discourse (6)
- Coaches Corner (10)
- Computational Fluency (2)
- Equity (5)
- Implementation (6)
- In the Classroom (9)
- Instructional Routines (5)
- K–5 Math (152)
- Lesson Planning (3)
- Math Content (3)
- Math Language Routines (3)
- Partners (5)
- Problem-Based Learning (5)
- Professional Learning (94)
- Recent Blog Posts (12)
- Research Studies (1)
- Supports for English Language Learners (1)
- Supports for Students with Disabilities (6)
- TK/PK Math (7)
- Uncategorized (2)
- Unfinished Learning (1)









