  # Measuring Shapes: Calculate the area and/or perimeter

In this worksheet, students answer questions on area and perimeter. Key stage:  KS 2

Curriculum topic:   Measurement

Curriculum subtopic:   Measure and Calculate Shapes

Difficulty level:   #### Worksheet Overview

Perimeter

The perimeter is the total distance around a shape, starting and finishing at the same point.

Example Here the perimeter is 1 + 2 + 1 + 1 + 2 + 3 = 10 cm

Area

Remember that the area of a rectangle is length x width.

Example

If we have a rectangle with a width of 4 m and a length of 6 m

The area will be 4 m x 6 m = 24 m2

Calculate a missing length

If we know the area and one side, we can divide to find the length of the other side.

Example

A rectangular room has an area of 12 m2

If its length is 4 m, what is its width?

We divide 12 ÷ 4 = 3

So the width = 3 m

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