A dimension is a measure of length in one direction.

Use knowledge of area to solve problems in a range of contexts

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

This rectangle has an area of 30 cm².  Match the dimensions that would give this area.

The area of a rectangular carpet is 40 m².  One dimension is 8 m.  What is the other dimension? {{ }} m.

The area of rectangle A is equal to the area of rectangle B.

The area of rectangle A is greater than the area of rectangle B.

The area of rectangle B is greater than the area of rectangle A.

Look at rectangles A and B. Which of the statements is correct?

A square white paving slab has been placed on a square garden lawn.  What is the area of lawn that can be seen? A = {{ }} m².

A small square is shown inside a larger rectilinear shape. Choose an efficient method to calculate the area of the rectilinear shape. A = {{ }} cm².

Choose an efficient method to calculate the area of the rectilinear shape. A = {{ }} cm²

Match the pairs of numbers with a product 40.

Which of these shapes are compound shapes?

Look at this rectilinear compound shape. It is made up of 6 squares. Calculate the total area of the shape. A = {{ }} cm². 

This image is of the flag of Romania. It consists of three rectangles of equal size. Calculate the total area of one rectangle. A = {{ }} cm².

Calculate the area of this compound rectilinear shape. A = {{ }} cm².

Choose an efficient method to calculate the area of this compound shape.  A = {{ }} cm².

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