Students stroll through distance, rate, and time experiments on the road to strengthening their understanding of proportionality.

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### Carole E. Greenes, Mary C. Cavanagh, Jenny K. Tsankova, and Florence A. Glanfield

### Leigh Haltiwanger and Amber M. Simpson

Allowing students to write in mathematics class can promote critical thinking, illustrate an awareness of mathematical connections, and result in clear communication as they share ideas comfortably with peers.

### David Rock and Joel Amidon

A monthly set of problems is aimed at a variety of ability levels.

### David Rock and Joel Amidon

A monthly set of problems is aimed at a variety of ability levels.

### Lisa A. Dieker, Michelle Stephan, and Jennifer Smith

A conceptual framework can show a general education and a special education teacher how to team teach so that a range of students can learn together in today's classroom.

### William C. Zahner

Principles for using groups in linguistically diverse classrooms are illustrated with a task about measurement and proportionality.

### Terri L. Kurz and Barbara Bartholomew

A mathematical analysis of Dr. Seuss's classic literature is explored.

## Quick Reads: Posters: More Than Just for Looks

### a good idea in a small package

### Greisy Winicki-Landman and Christine Latulippe

Posters, commonly employed for decoration, can be used to introduce and practice new concepts and help assess student learning.

### David Rock and Mary K. Porter

A monthly set of problems is aimed at a variety of ability levels.

### Scott Steketee and Daniel Scher

Transformations using dynamic software can provide a unique perspective on a common topic.