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,...
Computational Fluency
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...
Too Many Students Believe They’re Not “Math People.” Early Math Can Change That.
Feb 3, 2026
By: Dr. Kristin Umland, IM CEO and Cofounder A recent RAND survey found that the students who are the most likely to maintain interest in math are those who understand and enjoy it, feel supported, and see themselves as “math people.” It also found that nearly a third...
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...
The Story of Grade 4
Jul 17, 2022
By Patti Drawdy and Yenche Tioanda “Why not start the year with place value?” Kaneka Turner, Grade 4 Lead Writer, hears this question often. Isn’t making sense of and operating on large numbers pretty essential in grade 4? Indeed, they are. Yet students begin Grade 4...
The Story of Grade 3
May 24, 2022
By Mike Henderson As a former grade 3 teacher, I know first hand how daunting teaching math at this level can be. On top of developing fluency with addition and subtraction within 1,000, students need to learn about new topics like multiplication, division, and...
The Story of Grade 2
May 5, 2022
By Mike Henderson Teaching addition and subtraction in grade 2 is a challenging balancing act. As students move from numbers within 100 to numbers within 1,000, they need to use approaches that involve directly representing the quantities they are adding or...
The Joy of Fluency
Apr 5, 2021
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...
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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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