Wondering what a number string looks like in a classroom? Curious about the details of the routine? The following video features…
A “juicy” dilemma
This number string is inspired by an investigation (Comparing and Scaling, Investigation 1.2) from the Connected Math Project curriculum for…
So, what’s the story?
This number string attempts to do something a little different — it begins with the model (instead of the problem),…
On the rug with Angela
It’s late in the school year and I’m sitting on the edge of the rug in Angela Fiorito’s 1st grade…
What is the difference between Number Strings and Number Talks?
What’s the difference between a Number String and a Number Talk?
Complications with representing constant difference on an open number line
Representing student thinking during a number string is complex. Certain strategies are particularly challenging to represent. For addition and subtraction,…
Decimal Addition: The Wonders of Friendly Numbers & Compensation
The following post was written by Belinda Paine, an eighth grade special education teacher and one of my credential students.…
True False and Fill in the Blank Number Strings for Second Grade
A teacher recently handed me a second grade interim assessment with some true or false and fill in the blank…
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…
Why Conjectures Matter
This post is from our colleague and friend William Deadwyler, a 6th grade math teacher and strings enthusiast who works…
What the kids say…..
I’ve known Rachel Carr for many, many years. She shepherded me through that exhilarating and exhausting first year of teaching…
Division of fractions — The role of ratio
A 4th/5th grade teacher I am working with planned to introduce division of fractions and needed some ideas. I…
Beyond Skip Counting
This post comes to us from strings enthusiast and middle school teacher Marcelle Good, who works at School of the…
Developing Algebra
This string was developed by our colleague Bill Jacob, University of California, Santa Barbara, who is, among other things, an…
Chocolate Arrays
Lately, I’ve been seeing arrays everywhere I go: at the grocery store, at the pharmacy, at the farmers’ market. And,…
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…
Number Strings 