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

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### Courtney K. Baker, Terrie M. Galanti, Kimberly Morrow-Leong, and Tammy Kraft

The Teaching for Robust Understanding framework facilitates online collaborative problem solving with digital interactive notebooks that position all students as doers of mathematics.

### Min Wang, Candace Walkington, and Koshi Dhingra

An example of an after-school club activity gives educators some tools and suggestions to implement such an approach in their schools.

### 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.

Excerpts from discussion threads on the online MyNCTM community.

### Joshua Lerner

Using lesson study, a team of educators teaches a carefully designed unit on division with remainders to a class of third-grade students.

### Tonya Gau Bartell

This is one of many practices to support teachers in assessing students’ mathematical thinking and better understanding students’ lived experiences that they can then draw on in mathematics instruction. This article highlights four examples of teachers’ efforts to reimagine homework for K–2 students.

### Amanda Jansen

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

### Paul A. Frisoli and Richard A. Andrusiak

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.