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…

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,…

The delight of disequilibrium

Disequilibrium is Piaget’s term to describe when what a learner already knows comes into conflict with new information. Learners must…

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…

(Re)Thinking Context

A recent conversation between two New York City math educators, Carol Mosesson-Teig and Kara Imm Kara, I have been thinking…

Tricky Teens

Now that we’re moving into spring, I wanted to be sure my kindergarteners were beginning to gain a foundation for place…