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Sara Liebert

The August 2016 problem scenario introduces a task designed around SMP 2: Reason abstractly and quantitatively, and encourages students to move between decontextualizing and contextualizing as they work toward solutions. To access the full-size activity sheet, go to http://www.nctm.org/tcm, All Issues. Each month, this section of the Problem Solvers department showcases students' in-depth thinking and discusses the classroom results of using problems presented in previous issues of Teaching Children Mathematics. Find detailed submission guidelines for all departments at http://www.nctm.org/WriteForTCM.