Area of a Square
(KS3, Year 7)
In this formula, a is the length of each side of the square. The image below shows we mean by the length of the side:
How to Find the Area of a Square
Finding the area of a square is easy.Question
What is the area of a square with sides of length 6 cm, as shown below?Step-by-Step:
1
Start with the formula:
Area = a2
Don't forget: a2 = a × a (a squared).
2
Substitute the side length into the formula. In our example, a = 6.
Area = 62 = 6 × 6 = 36 cm2
Answer:
The area of the square with sides of length 6 cm is 36 cm2."Find the Area" Widget
Here is a widget to help you learn the formulas to find the areas of different shapes.- Click on the shape you're learning about.
- Click on the pad to start.
- Follow the instructions in the bottom-left corner.
- On the last click, the formula, workings, and answer will appear in the yellow box.
- Enjoy!
What Is a Square?
A square is a flat shape which with four equal straight sides and four right angles.Square Numbers
A square number is a number multiplied by itself.12 = 1 × 1 = 1
22 = 2 × 2 = 4
32 = 3 × 3 = 9
A square with side length 2 has an area of 4.
A square with side length 3 has an area of 9.
The areas go 1, 4, 9... The square of a number and the area of a square with side lengths of that number are the same.
Worksheet
This test is printable and sendable