Describing Enlargements

What caused that to happen? Using three aspects, a video demonstrates how to describe an enlargement or dilation. The presenter counts the lengths of the sides to determine the scale factor and a ruler to find the center of dilation.

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CCSS: Adaptable
Instructional Ideas

  • Review the aspects needed to describe a dilation
Classroom Considerations

  • Class members should be familiar with negative scale factors
  • Pupils need to be comfortable working on the coordinate plane

  • Shows examples with various scale factors
  • Worksheet includes templates to use

  • None
Common Core