The Backpage: My Favorite Lesson
The Back Page: My Favorite Lesson: All Knotted Up
Jamie-Marie L. Wilder and Molly H. Fisher; Edited by Jennifer Wexler
September 2013, Volume 107, Issue 2, Page 160
This article describes the use of a knot-tying activity to contextually model the slope of a line.
Geometry & Measurement