3, Lesson 2, Unit 2, Grade 8, OpenUp icon
Instructional Activity

A Droplet on the Surface

Lesson 2. Unit 2. Grade 8 Open Up Resources

Open Up Resources15 min(s)

This Instructional Activity is a part of the Lesson 2, Unit 2, Grade 8. The purpose of this activity is to begin to think of a dilation with a scale factor as a rule or operation on points in the plane. Students work on a circular grid with center of dilation at the center of the grid. They examine what happens to different points on a given circle when the dilation is applied and observe that these points all map to another circle whose radius is scaled by the scale factor of the dilation.

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