Area of Rectangles
Area is the amount of space inside a flat shape. We measure area in square units by multiplying length by width.
What You Need to Know
Key Concept Diagram
Area is measured in square units such as cm² or m²
The formula for a rectangle is: Area = length × width
A square is a special rectangle where length = width
Different rectangles can have the same area but different dimensions
Key Vocabulary
Area
The amount of space inside a 2D shape, measured in square units
Square unit
A unit used to measure area, such as cm² or m²
Formula
A mathematical rule written using symbols
Dimensions
The measurements of a shape, such as its length and width
Knowledge Check
Select the correct answer for each question. Click "Check Answer" to see if you are right.
Question 1
A rectangle is 5 cm long and 3 cm wide. What is its area?
Question 2
A square has side 6 m. What is its area?
Question 3
Which unit is best for measuring the area of a school playground?
Key Concepts Summary
- ●Area is measured in square units such as cm² or m²
- ●The formula for a rectangle is: Area = length × width
- ●A square is a special rectangle where length = width
- ●Different rectangles can have the same area but different dimensions