### Erica Slate Young and Sarah Roller Dyess

### Lauren M. Johnson

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.

### Zachary Champagne

Providing students the autonomy and choice to learn when productive struggle becomes unproductive is a core teaching belief in the author’s classroom. This article tells the story of one student’s ability to know and express when his frustration was too great and how he chose to walk away from his work and return the next day.

### Ralph S. Pantozzi

Ear to the Ground features voices from several corners of the mathematics education world.

### Marcy B. Wood, James Sheldon, Mathew D. Felton-Koestler, Joy Oslund, Amy Noelle Parks, Sandra Crespo, Helen Featherstone, and Introduction by: Sarah B. Bush

From the Archives highlights articles from NCTM’s legacy journals, as chosen by leaders in mathematics education.

### Tyrone Martinez-Black and Sara K. Rezvi

Ear to the Ground features voices from several corners of the mathematics education world.

### Lindsay Vanoli and Jennifer Luebeck

Engaging mathematics students with peers in analyzing errors and formulating feedback improves disposition, increases understanding, and helps students uncover and correct misconceptions while informing opportunities for targeted instruction.