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Geometry & MeasuresLow Exam FrequencyAQAEdexcelOCRWJEC

Perimeter

Revise Perimeter in Geometry & Measures for GCSE Mathematics with 10 exam-style questions and 2 flashcards. This topic appears less often, but it can still pick up marks when it appears in mixed-topic papers.

Study this topic

1

Walking the Edge

Introduction2

Key Facts

Key Facts3

Method: Finding Perimeter

Deep Dive4

Worked Example

Notes

Sample Flashcards

Perimeter
Total distance around a shape, add all sides
Perimeter vs Area
Perimeter = distance AROUND (1D - cm, m). Area = space INSIDE (2D - cm², m²).

Sample Questions

What is the perimeter of a shape?

  • A. The space inside a shape
  • B. The total distance around the outside of a shape
  • C. Half the sum of all sides
  • D. The longest side of a shape
1 markfoundation

Two similar rectangles have lengths in the ratio 3:5. The perimeter of the smaller rectangle is 24 cm. Explain how to find the perimeter of the larger rectangle without knowing its individual dimensions.

2 markshigher

10

exam-style questions

2

revision flashcards

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