# Compare the area and perimeter of rectangles

## Lesson details

### Key learning points

1. 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.

## Video

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## Worksheet

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## Starter quiz

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### 4 Questions

Q1.
What does area measure?
length
the space around the outside of a shape
Correct answer: the space inside 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)
Correct answer: count the squares inside
Correct answer: find a 6x4 rectangle then subtract a 2x4 rectangle
guess
Correct answer: split into a 2x6 rectangle and a 2x2 square
Correct answer: split into two rectangles: 2x4 and 2x4
split into two rectangles: 2x4 and 2x6
Q4.
What is the area of this shape?
180cm²
200cm²
200mm²
20cm²
20mm²

## Exit quiz

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### 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.
Correct answer: 2 (a + b)
a + b
a x 4
Q4.
Choose a formula to calculate the perimeter of a regular hexagon.
5a