Chapter : 5 Mensuration

Concept of perimeter and introduction to area

Introduction and general understanding of perimeter using many shapes

Shapes of different kinds with the same perimeter

Concept of area, Area of a rectangle and a square

Conversion of units (Mass, time, money, and capacity) from to smaller to larger and vice-versa

Counter examples to different misconceptions related to perimeter and area

Perimeter of a rectangle – and its special case – a square.

Deducing the formula of the perimeter for a rectangle and then a square through pattern and generalisation.

3D Figures - Cubes and Cuboids

Introduction to Volume

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