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Hoyun Cho and Carolyn Osborne

Postscript items are designed as rich grab-and-go resources that any teacher can quickly incorporate into his or her classroom repertoire with little effort and maximum impact. A personal timeline provides a rich and relevant context this month for students' to investigate numbers and number relationships.

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Maryl Gearhart and Geoffrey B. Saxe

Try these methods for integrating diverse learners.

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Daniel J. Heck, Jill V. Hamm, Jessica A. Dula, Pippa Hoover, and Abigail S. Hoffman

Three seventh graders, working as a small group in their math class, had a conversation about adding and subtracting integers. The students discussed the challenges they faced in the assigned task.

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Laura Bofferding

First graders restructure their ideas about foundational number concepts when they encounter negative integers.

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Kasandra Dickman and Laura Bofferding

This department explores a game used to help students learn about additive inverses, or “zero pairs.” Authors describe some common reasoning that students used while playing the game and provide activity sheets geared toward students in grades 5–7.

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Courtney Starling and Ian Whitacre

Introduce your students to a fun and innovative game to encourage precise communication

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Haiwen Chu and Leslie Hamburger

Five types of engaging peer-interaction structures can support English learners as they make sense of mathematics and explore important mathematical relationships.

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Donna Christy, Karen Lambe, Christine Payson, and Patricia Carnevale

Standards-based, hands-on activities spotlight the classic story.

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Erin E. Krupa, Mika Munakata, and Karmen Yu

Can you remember your typical elementary school field day? In this article, we provide details on hosting a mathematics field day, focused on embedding rich mathematics into authentic fun-filled field day experiences.