In a mathematics class where students are encouraged to freely share ideas, the room brims with diverse thoughts. How do students and teachers use them? Let’s follow a group of multilingual students and teachers to see what they did with an idea!

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## What Do You Do With an Idea?

### Gladys H. Krause, Caroline Utne Finchum, and Maria-Emilia Borja

## Inclusive Playground Design

### Holly Tate, Samantha Anstett, Beth Cooke, Merrie Joy Hrabak, and Jennifer Suh

The mathematics of budgeting and space can lead to a justice-oriented experience for elementary students as they design a proposal for an inclusive playground.

## Students Design Problem-Solving Slideshows

### Robert W. Maloy, Sai Gattupalli, and Sharon A. Edwards

How can elementary students use Google Slides to enhance their math problem-solving skills and creativity?

## Productive Talk Across a Launch-Explore-Discuss Lesson

### Julie Bacak, Hannah Gallo, Madelyn W. Colonnese, and Taylor Harrington

A fifth-grade mentor teacher and her mentee engaged students in productive talk across the phases of a launch-explore-discuss lesson about understanding of volume.

## Using Benchmarks to Support Fraction Addition

### Jennifer M. Tobias and Neet Priya Bajwa

Benchmark fractions can allow students to assess the reasonableness of a solution without using a standard procedure.

## Hands-on Geometric Tiling Art

### Joe Champion, Ann Wheeler, Josephine Derrick, and David Gardner

This hands-on activity using geometric tiling art investigates concepts in geometry, number sense, and probability.

## Energizing a Sustainability Inquiry

### Alicia Curria, Lindsay Keazer, and Darcy Ronan

An elementary teacher integrated mathematics and science to engage fourth graders in an authentic inquiry exploring sustainability solutions for their school.

## Being Mindful in the Mathematical Moment

### Jonathan N. Thomas, Cindy Jong, and Molly H. Fisher

Consider dimensions of equity to enact more responsive mathematics teaching in the elementary classroom.

## Let’s Give Them Something to Talk About

### Nicola M. Hodkowski and Carolyn Carhart-Quezada

Different types of open tasks can be used as a tool to promote rigorous student mathematical discourse and considerations for facilitation.

## Build It! The Rectangle Game

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

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