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Watch sculptor Mary Ann Mears demonstrate how she uses scale modeling and other mathematics in creating geometric sculptures in this video from MPT. In the accompanying classroom activity, students design a scale model of a sculpture for the school grounds. They calculate the height and width that the full-size sculpture would be. To get the most from this lesson, students should have some exposure to scale models and be comfortable using a protractor to measure and draw angles. For a longer self-paced student tutorial using this media, see "A Focus on Surface Area and Scale Drawings" on Thinkport from Maryland Public Television.