Work Out the Area of Rectangles

In this activity, we're going to be calculating the area of some rectangles.

The area of a 2D shape is the total amount of surface space it covers.

Let's have a look at an example:​

To calculate the area of this square we multiply the length (l) by the width  (w)  

We know that all sides of this shape will be 10 cm as it is a square.

10 cm x 10 cm = 100 cm

Now we add this  special symbol to show that the answer is a measure of area: ²

We add this after the unit of measure so the answer is 100 cm²

We read this as 100 cm squared.

Things to remember:

When calculating the area of a rectangle we multiply l by w.

We must remember to include the correct unit of measure.

We read the area as squared and add the squared symbol after the unit of measure (²)

Good luck!