By William McCallum In grade 3, as students start to learn about multiplication, they think about products like 6 x 7 in terms of equal groups. 6 x 7 is the number of things when you have 6 groups with 7 things in each group. They might start out calculating that...
K–5 Math
Using Diagrams to Build and Extend Student Understanding
Nov 25, 2019
When students notice things, we often ask, ‘Why is that happening?” but it can be challenging to explain why beyond the procedure one followed.
But fifth graders are brilliant.
Creating an Accessible Mathematical Community with IM K–5: the power of “yet” for students and adults
Oct 22, 2019
Does the perfect elementary math curriculum exist? Armed with a growth mindset and the Alpha IM K–5 curriculum, teachers in Ipswich Public Schools push their thinking to reach all mathematicians. By Maureen D. O’Connell I preach growth mindset daily. When my students...
Using Instructional Routines to Inspire Deep Thinking
Oct 13, 2019
We want students to think about math deeply. Creatively. Analytically. Instead, what often happens is that students race towards quick solutions. So what can we do to support this other kind of thinking in class—the slow, deep kind? By Jenna Laib One way is through...
Which Vertex is the Center of a Triangle?
Sep 23, 2019
By William McCallum I am sometimes asked what is the secret to the success of our curriculum, what is the special property that sets it apart from other curricula. That question is like the one in the title of this blog post, “Which vertex is the center of a...
First Impressions: The First Units in IM K–5 Math
Jul 23, 2019
“I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.” Maya Angelou By Kristin Gray When I think back to my 8th grade math class, I cannot recall the exact problems I struggled with...
Realizing the promise of open resources, part II
Jun 17, 2019
By William McCallum In my first post on the topic of realizing the promise of open educational resources, I described the IM Certified program. Our partners offer multiple versions, including a free online version and enhanced versions with different options for...
Storytelling in the IM K-5 Math Curriculum
Jun 4, 2019
By Kristin Gray, Director of K–5 Curriculum & Professional Learning Curriculum "An excellent mathematics program includes a curriculum that develops important mathematics along coherent learning progressions and develops connections among areas of mathematical...
The Power of Small Ideas
May 21, 2019
By William McCallum, IM President Big ideas are popular in mathematics education, and you can find many lists of big ideas on the web. Some are more thoughtful than others, and I can see how some might be useful for organizing a curriculum. But few of the ideas I see...
Designing Coherent Learning Experiences K-12
May 7, 2019
By Kristin Gray, Director of K–5 Curriculum & Professional Learning One challenge in curriculum design is considering all we know and believe to be true about math teaching and learning and translating that into realistic and actionable pieces for teachers and...
to the IM Blog and Newsletter
RECENT POSTS
- 10 Ways to Get Students Up and Moving in Math Class May 26, 2026
- From Fragmentation to Coherence: What NYC District 7 Shows About Sustaining Math Improvement May 18, 2026
- Recipes, Not Scripts: Finding Balance in Curriculum Implementation May 12, 2026
- From Math Anxiety to Math Confidence (Part 2): How IM® Helps Teachers Move from Fear to Fearless May 4, 2026
- From Math Anxiety to Math Confidence (Part 1): Naming the Elephant in the Room Apr 27, 2026
Categories
- 6–8 Math (147)
- 9–12 Math (117)
- Assessment (1)
- Back to School (7)
- Classroom Community (6)
- Classroom Discourse (7)
- Coaches Corner (11)
- Computational Fluency (2)
- Equity (6)
- Implementation (8)
- In the Classroom (12)
- Instructional Routines (6)
- K–5 Math (156)
- Lesson Planning (4)
- Math Content (5)
- Math Language Routines (3)
- Partners (5)
- Problem-Based Learning (8)
- Professional Learning (96)
- Recent Blog Posts (12)
- Research Studies (2)
- Supports for English Language Learners (1)
- Supports for Students with Disabilities (6)
- TK/PK Math (9)
- Uncategorized (2)
- Unfinished Learning (1)









