In this post, Kara Imm shares a May 2020 interview with Kate Smallberg about how to transition our number strings … More
Prime Climb Number String
Last month, I worked in Andrew Eller’s amazing 4th grade classroom in Los Angeles that was beginning an exploration of … More
Biking on the fractional number line . . .
The following post comes from Rafael Quintanilla, a Mathematics Instructional Coach for the Los Angeles Unified School District and a … More
Numeracy for high school: A unique challenge
Here’s a conversation between collaborators and friends Kara Imm (Co-Director, Math in the City) and Geoffrey Enriquez (Math Teacher, Vanguard … More
What is the difference between Number Strings and Number Talks?
What’s the difference between a Number String and a Number Talk?
30 ways to make number strings more inclusive
As a teacher in inclusive settings, number strings were a critical part of my daily mathematical work. Routines are highly … More
A Number String for Angle Measures — Before We Kick the Bucket
This post was co-created by Jesse Burkett, Ranona Bowers, and Adrian Sperduto — teachers in the Hazelwood School District and … More
What’s in a name?
This post is by reader and strings enthusiast Laura Bofferding, Assistant Professor, Purdue University I was first introduced to number … More
Division – Whole number by fraction
During the spring of the 2012-2013 school year Kara Imm and I were working with my 5th graders to help … More
The Power of Strings
I’m embarrassed to say this, I have a vivid memory of around my fourth year of teaching 5th grade and … More
Closed to Open Array
After looking over beginning-of-the-year assessments, a new 4th grade teacher was concerned that half of her students were still unsure … More
Making Thinking Visible
I recently worked with a 6th grade teacher, Miss T, as she led a string for the very first time. … More
A Dilemma with Models
A 5th grade teaching team I work with recently raised the issue of how to model the problem 1/2 x … More