Perimeter of Rectangles and Squares

Name: _______________________________
Date: _______________________________

Remember:

Perimeter = the distance around the outside of a shape

Rectangle: P = 2 × length + 2 × width (or P = 2(l + w))

Square: P = 4 × side

Part A: Calculate the perimeter of these rectangles

1.
8 cm
5 cm
5 cm
8 cm
P = __________________
2. Length = 12 m, Width = 7 m P = __________________
3. Length = 15 cm, Width = 9 cm P = __________________

Part B: Calculate the perimeter of these squares

4.
6 cm
6 cm
6 cm
6 cm
P = __________________
5. Side = 11 m P = __________________
6. Side = 20 cm P = __________________

Part C: Word Problems

7. A rectangular garden has a length of 18 metres and a width of 13 metres. What is the perimeter of the garden?

P = __________________

8. A square playground has sides that are 25 metres long. How much fencing is needed to go all the way around it?

Fencing needed = __________________

9. A rectangular picture frame is 30 cm long and 22 cm wide. What is its perimeter?

P = __________________

Challenge Question

10. A rectangle has a perimeter of 40 cm. Its length is 12 cm. What is its width?

Width = __________________