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|Project MATHEMATICS!, California Institute of Technology|
|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)|
|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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