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Conceptualizing Ratios with Look-Alike Polygons

Nancy K. Dwyer, Betty J. Causey-Lee, and Nekeya M. Irby 

April 2003, Volume 8, Issue 8, Page 426

Abstract:
Article describes using similar rectangles to help children conceptualize ratio relationships in several different ways. Proportional reasoning is developed without introducing the process of cross-multiplication. Activity is included.

Keywords:
Article
Grades 6-8
Teacher
Lesson Plans
Representation
Ratios / Proportions