Length and width are two words used to describe the sides or dimensions of polygons.

Calculate the areas of rectangles using multiplication

Maths

In this unit pupils will calculate the area of a rectangle using multiplication and use their knowledge of area to solve problems. In the future unit pupils will explain what volume is using a range of contexts and describe the units used to measure volume. They will explain how to calculate the volume of a cuboid.

In the prior unit pupils explained area and measured using counting as a strategy. They made different shapes with the same area and compared the area of different shapes. In this unit pupils will calculate the area of a rectangle using multiplication and use their knowledge of area to solve problems.

Link area of rectangles to multiplication

What is the area of this shape? {{ }} cm²

What is the area of this square? {{ }} cm²

Which strategy has been used to calculate the area of this rectangle?

The length of a mobile phone screen is 8 cm and the width is 16cm. Calculate the area of the screen. A = {{ }} cm².

Calculate the area of this rectangle.  A = {{ }} cm².

The staff car park at a school has a length of 9 metres and a width of 25 metres. What is the area of the car park? {{ }} m².

How many millimetres are there in one metre?

A rectangle has an area of 24 cm². What are the possible values of the length and width?  

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