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Delving Deeper
Delving Deeper: Algebra at the Airport

Dan Kalman 

November 2008, Volume 102, Issue 4, Page 314


This issue: Finding the exchange rate for dollars to pesos. The author shows how one can come up with an applied algebra problem in everyday life. The aim of Delving Deeper is for teachers to pose and solve novel math problems, expand on mathematical connections, or offer new insights into familiar math concepts. Delving Deeper focuses on mathematics content appealing to secondary school teachers. It provides a forum that allows classroom teachers to share their mathematics from their work with students, their classroom investigations and products, and their other experiences. Delving Deeper is a regular department of Mathematics Teacher.


Algebraic Thinking / Pre-Algebra Concepts
Grades 9-12
Linear Inequalities
Mean / Median / Mode
Problem Solving / Problem Posing