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Visit this site: http://www.projectmathematics.com/similar.htm

Author:Project MATHEMATICS!, California Institute of Technology
Description: A videotape-and-workbook module that explores a basic topic in high school mathematics in ways that cannot be done at the chalkboard or in a textbook. Scaling multiplies lengths by the same factor and produces a similar figure. It preserves angles and ratios of lengths of corresponding line segments. Animation shows what happens to perimeters, areas, and volumes under scaling, with various applications from real life.

Levels: High School (9-12)
Languages: English
Resource Types: Multimedia, Video, Lesson Plans and Activities, Textbooks
Math Topics: Ratio/Proportion, Triangles and Other Polygons, History and Biography
Math Ed Topics: Audiovisual/Multimedia, Curriculum/Materials Development

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