Perimeter

📘 Perimeter (Grade 3)

🟦 Definition

Perimeter is the distance around a shape.
To find it, you add all the sides.

📏 Example

A rectangle with sides 4 cm and 6 cm:
4 + 6 + 4 + 6 = 20 cm
The perimeter is 20 centimeters.

🧠 Why It Matters

Perimeter helps us:

• Build and measure things
  
  

• Know how much fence or border is needed
  
  

• Solve real-life math problems