Purpose: Perform a dilation with a given scale factor.
Activity: Draw an image, choose a scale factor, and perform the dilation on a piece of graph paper. Description: Students drew a picture of their choice. Then they performed a dilation of the picture. Some students measured from the center to various points on the picture. Other students used a more algebraic approach by multiplying the coordinates of points they had chosen on their picture. Either way, they problem solved. The results were beautiful! Examples are shown below.
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This is the work of extremely talented high school students. All names have been redacted to ensure privacy but if photos are used credit should be given to Ms. D's Geometry class. Thank you. Archives
January 2018
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