Using Proportional Reasoning to Solve Geometric Problems
August 2004, Volume 98, Issue 1, Page 16
The proportional nature of geometric work, and the ways in which proportional reasoning can be employed as a generalized problem-solving tool. A geometric construction is presented for students to solve. The author gives reasoning via proof and proportions and provides extension activities.
Problem Solving / Problem Posing
Ratios / Proportions