Calculating Perimeter of Shapes

Name: _______________________________

Date: _______________________________

Instructions: Calculate the perimeter of each shape. Remember: Perimeter is the total distance around the outside of a shape. Show your working.

Part A: Rectangles and Squares

1. Rectangle

12 cm 8 cm

Perimeter = __________________

2. Square

9 cm

Perimeter = __________________

3. Rectangle with Length = 15 m and Width = 7 m

Perimeter = __________________

Part B: Triangles

4. Triangle

6 cm 6 cm 7 cm

Perimeter = __________________

5. Triangle with sides: 8 cm, 10 cm, 12 cm

Perimeter = __________________

Part C: Composite Shapes

6. L-Shape (Find the missing side lengths first!)

14 cm 6 cm 4 cm 8 cm

Perimeter = __________________

7. A rectangular playground is 25 m long and 18 m wide. What is the perimeter?

Perimeter = __________________