Perimeter
Key Notes :
The perimeter of a shape is the distance around the shape. It is the total length of the shape’s sides.
Learn with an example
▶️ What is the perimeter of the rectangle?
____ centimetres
To find the perimeter, find the total length of the shape’s sides.
Add all of the side lengths.
2 + 1 + 2 + 1 = 6
The perimeter of the rectangle is 6 centimetres. ( Centimetres can be written “cm”.)
▶️ What is the perimeter of the shape?
____ centimetres
To find the perimeter, find the total length of the shape’s sides.
Add all of the side lengths.
2 + 3 + 2 + 3 = 10
The perimeter of the shape is 10 centimetres. ( Centimetres can be written “cm”.)
▶️ What is the perimeter of the rectangle?
_____ centimetres
To find the perimeter, find the total length of the shape’s sides.
Add all of the side lengths.
5 + 6 + 5 + 6 = 22
The perimeter of the rectangle is 22 centimetres. ( Centimetres can be written “cm”.)
Let’s practice!🖊️
