Perimeter
Watch this lecture series introducing the perimeter, and complete the interactive exercises to practice calculating the perimeter of rectangles.
Practice
Find perimeter by counting units - Questions
1. Each square on the grid is 1 unit square.
What is the perimeter of the shaded rectangle?
________ units
2. Each square on the grid is 1 unit square.
What is the perimeter of the shaded figure?
________ units
3. Each square on the grid is 1 unit square.
What is the perimeter of the shaded square?
________ units4. Each square on the grid is 1 unit square.
What is the perimeter of the shaded square?
________ units