Students learn to build their own numbering system by recognizing and identifying patterns with interlocking cubes in different place values.

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## Construct It! Intersecting Language and Mathematics with Interlocking Cubes

### Basil Conway IV and Marjorie Mitchell

## Let’s Be Flexible

### Clayton Edwards and Rebecca Robichaux-Davis

## Advancing Agency Through Conjecturing

### Kristin Doherty

Support students in conjecturing in ways that can promote their agency in the learning process.

## Happy Numbers: A Platform for Conjecture and Exploration

### James A. Gerald and David Jay Hebert

Happy Numbers offer a fun platform for exploring numerical patterns, making conjectures, and investigating mathematical thought in recreational mathematics.

## Harnessing the Power of a Single-Number Number Talk

### Alison Williams and Lisa Lamb

Easy to implement, this strategy has a powerful positive impact in mathematics classrooms.

## Using Mathematics to Design a Droid

### George J. Roy, Matthew Cunningham, and Kenneth Rafanan

Teachers have the opportunity to make mathematics relevant. We leveraged the popularity of *Star Wars* to engage students in exploring and connecting two dimensions and three dimensions to careers in toy design.

## A Guide for Writing in the Mathematics Classroom

### Melissa Gunter

Asking students to write meaningfully about mathematics can be daunting! Help students learn to write with purpose.

## Identity Making in Kindergarten: Diego’s Story

### Jody Guarino and Sara Manseau

Read about Diego, a kindergarten student, as he develops his mathematical identity and competency.

## Math Storytelling in PK–2 Classrooms

### Janice Novakowski

Mathematical storytelling is a way for young children to make connections between mathematics and their lives. The practices of using equations and materials are shared as sparks for mathematical storytelling.

## Teaching Is a Journey: Advice for a New Teacher

### Sandy Vorensky

This department provides a space for current and past PK-12 teachers of mathematics to connect with other teachers of mathematics through their stories that lend personal and professional support.