Expression Polygons

Author: Colin Foster
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Solving linear equations, an important mathematical technique at the core of the Algebra 1 curriculum, forms an essential foundation for more advanced work. Too often, developing fluency with linear equations entails plowing through pages of repetitive exercises. How can students master this topic while using their mathematical sense-making faculties?

Supplementary Materials

    • Supplemental Materials (DOC 46 KB)

Notes

Edited by Patrick Harless Activities for Students appears five times each year in Mathematics Teacher, often providing reproducible activity sheets that teachers can adapt for use in their own classroom. Manuscripts for the department should be submitted via http://mt.msubmit.net. For more information, visit http://www.nctm.org/mtcalls.

Department editors Sam Shah, samjshah@gmail.com, Packer Collegiate Institute, Brooklyn, NY; and David Custer, dcuster@csdecatur.net, Decatur City High School, Decatur, GA

Contributor Notes

COLIN FOSTER, colin.foster@nottingham.ac.uk, is an assistant professor at the Centre for Research in Mathematics Education in the School of Education at the University of Nottingham in England. His research interests are in the design of rich, open mathematical tasks and how teachers and learners use, adapt, and own them in the classroom.

(Corresponding author is Foster colin.foster@nottingham.ac.uk)
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