It’s Your Turn to Find the Perimeter!

Practice!

Goal: Calculate the perimeter of a shape.

We can find the perimeter of a shape by either counting or adding the unit squares around a shape. Now it’s your turn! Find the perimeter of each shape and type it in the blank below.

Slide: 1 / 5

What is the perimeter of this square?

Green square with 2 by 2 square grid labeled 1 through 8 around perimeter.

2 + 2 + 2 + 2 = ____ units

What is the perimeter of this phone?

Phone with top and bottom labeled 4 units and sides labeled 10 units.

10 + 10 + 4 + 4 = ____ units

What is the perimeter of this pentagon?

Pentagon with all sides labeled 4 units.

4 + 4 + 4 + 4 + 4 = ____ units

What is the perimeter of this swimming pool?

Pool with top and bottom edges labeled 10 units, and sides labeled as 5 units.

10 + 10 + 5 + 5 = ____ units

What is the perimeter of this triangle?

Triangle with all sides labeled 7 units.

7 + 7 + 7 = ____ units

Learning Coach —

It’s Your Turn to Find the Perimeter!

Can you find the perimeter of each shape?

Practice!