Perimeter problems

Last updated: 15/11/2023
Contributor: Teachit Author
Main Subject
Key stage
Category
Geometry and measures: Area and perimeter
Inside
Includes answers
Resource type
Student activity

A KS3 2D shapes PowerPoint with eight perimeter challenges for the whole class. The first problems only use integer lengths, while the later ones use decimals.

Challenges include:

  • matching regular and irregular polygons with the same perimeter.
  • finding missing lengths on shapes with the same perimeter.
  • finding possible side lengths of polygons with only the perimeter given.

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