Dilation in the Coordinate Plane: Lesson

This Dilation in the Coordinate Plane: Lesson video also includes:

Multiply coordinates to either shrink or enlarge a figure. An informative segment of a geometry playlist introduces dilation on the coordinate plane. The dilations in the resource use the origin as the center of dilation, which makes calculation easier.

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CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Investigate the effect of the dilation if the center is not at the origin
Classroom Considerations
  • Pupils should be comfortable working with scale factors
  • Assumes individuals are familiar with the distance formula
  • This resource is only available on an unencrypted HTTP website. It should be fine for general use, but don’t use it to share any personally identifiable information
Pros
  • Uses colors to distinguish between the image and pre-image
  • Links to more dilation resources including practice problems
Cons
  • None