Discovering Dilations

Scale up the dilation factor. Using a dynamic geometry software program, classmates discover the relationship between a pre-image and its image after performing a dilation. Individuals create their own dilations and fellow class members try to determine the scale used.

28 Views 17 Downloads
CCSS: Designed
Additional Tags
Instructional Ideas
  • Spend one class period allowing the pupils to become familiar with the software and its tools
  • Have individuals print their dilations for the What's My Scale activity
Classroom Considerations
  • Pupils need access to GeoGebra
Pros
  • Includes a document to explain the software tools needed for the lesson
  • Contains answer keys
  • Provides timing suggestions for each activity and section of the lesson
Cons
  • None