Class 4MathematicsFields and Fences

What is Perimeter?

Perimeter is the total length of the boundary of a shape. To find perimeter, add all the sides. A fence around a field is a real-world example of perimeter. Unit: cm, m, km. Perimeter of a rectangle = 2 × (length + breadth). Perimeter of a square = 4 × side.

How to study this topic

Read the core explanation once without solving.
Open the formula links below and connect them with the topic meaning.
Practice the 10 example pages one by one.
Use the AI ask page for text, voice or image-based doubts.

10 example pages

Concept check 1

For Class 4 Mathematics, explain or solve a what is perimeter? question from the chapter "Fields and Fences". Focus on concept check and show the working clearly.

Definition to application 2

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Formula warm-up 3

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Reasoning practice 4

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Board-style short answer 5

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Mistake correction 6

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Visual interpretation 7

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Applied word problem 8

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Revision challenge 9

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Exam recap 10

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