Members of the Editorial Panel are spotlighting articles from the twenty-three-year history of MTMS. In this offering, the takeaway is the importance of patterning tasks and their link to algebraic reasoning.
“A Framework for Analyzing Geometric Pattern Tasks,” by Susan N. Friel and Kimberly A. Markworth August 2009, Volume 15, No. 1, pp. 24-33 https://www.nctm.org/Publications/mathematics-teaching-in-middle-school/2009/Vol15/Issue1/A-Framework-for-Analyzing-Geometric-Pattern-Tasks/