# Find perimeter by counting unit squares

CCSS Math: 3.MD.D.8
Practice finding perimeter by counting unit squares.  We will start with rectangles and then try some irregular shapes.

## Rectangles

Problem 1A
Each square on the grid is $1$ unit square.
What is the perimeter of the rectangle?
units
Problem 1B
Each square on the grid is $1$ unit square.
What is the perimeter of the square?
units

## Irregular shapes

Problem 2A
Each square on the grid is $1$ unit square.
What is the perimeter of the shape?
units
Problem 2B
Each square on the grid is $1$ unit square.
What is the perimeter of the shape?
units