Assessment

Negative Scale Factor

Curated and Reviewed by Lesson Planet
This Negative Scale Factor assessment also includes:

Class members investigate the effect of a negative scale factor dilation on coordinate shapes as they watch a short video that shows an example of a geometric figure undergoing a dilation with a negative scale factor. Learners then try a few problems on their own.

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Additional Tags
Instructional Ideas
  • Assign the worksheet as homework
Classroom Considerations
  • Resource assumes previous experience with scale factors
  • Lesson is written for pupils studying for the GCSE, but is still appropriate for use by US learners
Pros
  • Well-drawn graphs help make the concept clear
Cons
  • Viewers may be confused by the use of enlarge even when scale factor is less than one