1. An Analysis of the Development of Slope across a Textbook Series Open Access Author: Fisher, Thomas Title: An Analysis of the Development of Slope across a Textbook Series Area of Honors: Secondary Education (Behrend) Keywords: sloperate of changemathmath educationcovariational reasoningratio File: Download Thesis.pdf Thesis Supervisors: Dr. Courtney Nagle, Thesis SupervisorDr. Courtney Nagle, Thesis Honors AdvisorJodie Lynn Styers, Faculty Reader