# Compare the area and perimeter of rectangles

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## Lesson details

### Key learning points

- In this lesson, we will investigate the area and perimeter of rectilinear shapes, making shapes with a given perimeter and then making shapes with a given area.

### Licence

This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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### 4 Questions

Q1.

What does area measure?

length

the space around the outside of a shape

Q2.

What is the area of a rectangle that measures 5cm by 4cm?

18cm

20cm

9cm

Q3.

How could you find the area of this shape? (tick 4)

guess

split into two rectangles: 2x4 and 2x6

Q4.

What is the area of this shape?

180cm²

200cm²

200mm²

20cm²

20mm²

### 4 Questions

Q1.

Choose a formula that could be used to calculate the area of a rectangle.

2 (a + b)

a + a + b + b

a² + b²

Q2.

Choose a formula that could be used to calculate the area of a square.

a x 4

a² x b²

Q3.

Choose a formula that could be used to calculate the perimeter of a rectangle.

a + b

a x 4

Q4.

Choose a formula to calculate the perimeter of a regular hexagon.

5a

7a