1. A Learning Progression for Elementary Students' Functional Thinking. Issue 3 (3rd July 2017) Authors: Stephens, Ana C.; Fonger, Nicole; Strachota, Susanne; Isler, Isil; Blanton, Maria; Knuth, Eric; Murphy Gardiner, Angela Journal: Mathematical thinking & learning Issue: Volume 19:Issue 3(2017) Page Start: 143 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗