  # Same Area - Different Perimeter

In this worksheet, students must recognise that shapes with the same areas can have different perimeters. This content is premium and exclusive to EdPlace subscribers. Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Perimeter and Area

Difficulty level:   #### Worksheet Overview

Look at the red shape below, drawn on a centimetre square grid:

It is made of 6 centimetre squares, so its area is 6 cm2.

The perimeter is the total of the distances around all four sides.

Starting at the base and going anticlockwise around the shape, we work out that:

the perimeter is 2 + 3 + 2 + 3 = 10 cm.

Now look at the blue shape below, drawn on a centimetre square grid:

It is also made of 6 centimetre squares, so its area is also 6 cm2.

The perimeter is the total of the distances around all its sides.

Starting at the base and going anticlockwise around the shape, we work out that:

the perimeter is 2 + 1 + 1 + 1 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 = 14 cm.

Shapes with the same area can have different perimeters.

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