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The Box Method for Teaching Ratio and Proportion Problems

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Abstract:

While engaged in teaching students how to solve ratio/proportion problems in high school algebra, the author recognized that his students could perform the arithmetic calculations flawlessly but had great difficulty setting up the problems. As a result, the students computed the right answers to the wrong problems!

In order to rectify this, the author developed a methodology to allow students to properly set up such ratio/proportion problems. Once students understand the proper method to set up this class of problems, obtaining the correct answers is easy for almost all students.

This paper discusses the methodology of the “box method” and demonstrates how it is used with several problems. Such problems arise in engineering and various other disciplines on a frequent basis.
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Association:
Name: The Mathematical Association of America MathFest
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http://www.maa.org


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URL: http://citation.allacademic.com/meta/p271335_index.html
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MLA Citation:

Sullivan, Jim. "The Box Method for Teaching Ratio and Proportion Problems" Paper presented at the annual meeting of the The Mathematical Association of America MathFest, TBA, Madison, Wisconsin, Jul 28, 2008 <Not Available>. 2013-12-14 <http://citation.allacademic.com/meta/p271335_index.html>

APA Citation:

Sullivan, J. , 2008-07-28 "The Box Method for Teaching Ratio and Proportion Problems" Paper presented at the annual meeting of the The Mathematical Association of America MathFest, TBA, Madison, Wisconsin <Not Available>. 2013-12-14 from http://citation.allacademic.com/meta/p271335_index.html

Publication Type: Conference Paper/Unpublished Manuscript
Abstract: While engaged in teaching students how to solve ratio/proportion problems in high school algebra, the author recognized that his students could perform the arithmetic calculations flawlessly but had great difficulty setting up the problems. As a result, the students computed the right answers to the wrong problems!

In order to rectify this, the author developed a methodology to allow students to properly set up such ratio/proportion problems. Once students understand the proper method to set up this class of problems, obtaining the correct answers is easy for almost all students.

This paper discusses the methodology of the “box method” and demonstrates how it is used with several problems. Such problems arise in engineering and various other disciplines on a frequent basis.

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