Practice finding perimeter by adding the side lengths around the edge of rectangles, squares, and other polygons.
Read each problem carefully. Add all side lengths around the outside edge of the shape. Include units in your answers.
Finding the distance around shapes
Geometry - Grade 4-5
- 1
A rectangle has a length of 8 inches and a width of 3 inches. What is the perimeter of the rectangle?
- 2
A square has sides that are each 6 centimeters long. What is the perimeter of the square?
- 3
A triangle has side lengths of 5 feet, 7 feet, and 9 feet. What is the perimeter of the triangle?
- 4
A garden is shaped like a rectangle. It is 12 meters long and 5 meters wide. How much fencing is needed to go all the way around the garden?
- 5
Find the perimeter of a pentagon with side lengths of 4 inches, 4 inches, 6 inches, 7 inches, and 3 inches.
- 6
A picture frame is 10 inches wide and 14 inches tall. What is the perimeter of the frame?
- 7
A regular hexagon has 6 equal sides. Each side is 5 centimeters long. What is the perimeter?
- 8
A playground is shaped like a rectangle with a perimeter of 50 yards. One side is 15 yards long. What is the length of each shorter side?
- 9
A shape has four sides with lengths 9 feet, 4 feet, 9 feet, and 4 feet. What is its perimeter?
- 10
A dog pen is shaped like an L. Starting at one corner and moving around the outside, the side lengths are 6 meters, 4 meters, 2 meters, 3 meters, 4 meters, and 7 meters. What is the perimeter of the dog pen?
- 11
A student says that a rectangle with sides 7 units and 2 units has a perimeter of 9 units because 7 + 2 = 9. Explain the mistake and find the correct perimeter.
- 12
Draw or imagine a rectangle with a perimeter of 36 inches. If its length is 11 inches, what is its width?