# Calculate the area of rectangles

## Lesson details

### Key learning points

1. In this lesson, we will find the area of rectangles by counting squares and using arrays and multiplication. We will also compare the area of different rectangles, including squares.

### 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 is perimeter?
Correct answer: The distance around a shape
The length of a metre stick
The space inside a shape
Q2.
What is the perimeter of the shape below?
14 cm
24 cm
Q3.
What is the perimeter of the shape below? Give your answer in millimetres.
118 mm
23.6 mm
Q4.
What is the missing length in the compound shape below?
10 cm
5 cm

## Exit quiz

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### 4 Questions

Q1.
What is area?
A shape with parallel sides
The measurement around the boundary of a shape
Correct answer: The size of the surface of a 2-D shape
Q2.
What is the area of the shape below?
14 units squared
5 units squared
Q3.
What is the formula for calculating area?
length + width
length + width
length ÷ width