### 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.

### Tiara Hicks and Jonathan D. Bostic

We describe a formative assessment approach called whole-class think alouds, which foster evidence-based instructional practices and promote the goal of assessment to promote learning. They allow students to collaborate and orally communicate their problem solving.

### Joanne Caniglia and Michelle Meadows

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.

### Joshua Jones

Explore a lesson in which students used conditional probability to conjecture a predictive text algorithm, which, if translated into a coding language, could teach a computer to predict what a user wants to type, given the previous words in a message.

### Nancy Anderson

The questions that teachers ask to elicit student reasoning—often referred to as *press for reasoning*—help students explicate the concepts and principles that undergird their strategies. This article describes the term, addresses its benefits and challenges, and offers three routines.