Discover technology-enhanced, game-based tasks and student generalizations.

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## Build It! The Rectangle Game

### Theresa Wills, Jennifer Suh, Kate Roscioli, Amanda Guzman, Jennifer Everdale, and Sandra Lee

## GPS: Strengthening Number Sense With Number Lines

### Katherine Ariemma Marin and Natasha E. Gerstenschlager

Growing Problem Solvers provides four original, related, classroom-ready mathematical tasks, one for each grade band. Together, these tasks illustrate the trajectory of learners’ growth as problem solvers across their years of school mathematics.

## Let’s Be Flexible

### Clayton Edwards and Rebecca Robichaux-Davis

## Mathematical Wonders and Reasons Abound in the Seasons

### Maria Franshaw

Mathematics abounds in the beauty of the seasons. Where you live, work, or travel, how do you engage with and explore the wonders of math in our natural world?

## Puddle Play!

### Deanna Pecaski McLennan

## Student Engagement with the “Into Math Graph" Tool

### Amanda K. Riske, Catherine E. Cullicott, Amanda Mohammad Mirzaei, Amanda Jansen, and James Middleton

We introduce the Into Math Graph tool, which students use to graph how “into" mathematics they are over time. Using this tool can help teachers foster conversations with students and design experiences that focus on engagement from the student’s perspective.

## Infusing the Day with Mathematical Moments

### Elizabeth P. Cunningham

Teachers can use short periods in their classroom to build children’s experiences with and understanding of mathematics, outside of mathematics time.

## Extending Choral Counting

### Brandon G. McMillan and Theodore Sagun

This instructional activity gives teachers access to student thinking that can be leveraged to extend and connect their ideas.

## Dominoes: Promoting Units Construction and Coordination

### Beth L. MacDonald, Diana L. Moss,, and Jessica H. Hunt

In this article, we explore how playing with dominoes not only requires students to count but also to subitize when constructing number and operations.