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Nicole R. Rigelman

Take a page from the humanities and have your students investigate mathematics in writing.

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Math For Real:The Half-Lives of Medicines

when will I ever use this?

Alyssa Hoslar

Calculating a half-life, the approximate time it takes for the body to remove one-half the active ingredient in a medicine, provides the real-life tie-in to this activity.

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For Whom the Tolls Charge

when will I ever use this

Calculating tolls based on miles traveled provides the real-life tie-in to this activity involving rates.

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Kara J. Jackson, Emily C. Shahan, Lynsey K. Gibbons, and Paul A. Cobb

Consider four important elements of setting up challenging mathematics problems to support all students' learning.

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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.

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Jeffrey M. Choppin, Carolyn B. Clancy, and Scott J. Koch

Allowing students to reason and communicate about integer operations, or any idea, before these ideas are formalized can be an important tool for fostering deep understanding.

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Ann C. McCoy, Rita H. Barger, Joann Barnett, and Emily Combs

While filling vases with water and observing volume and height relationships, students learn the fundamentals of functions.