📐 Part 1: Understanding Perimeter

1. What is perimeter?

The area inside a shape

The distance around the outside of a shape

The number of corners in a shape

The height of a shape

2. Which units can be used to measure perimeter? (Check all that apply)

Centimetres (cm)

Metres (m)

Square metres (m²)

Millimetres (mm)

Kilometres (km)

3. Complete the sentence:

To find the perimeter of any shape, you need to ________ all the ________ lengths together.

📏 Part 2: Calculating Perimeter

4. Calculate the perimeter of a rectangle with length 8 cm and width 5 cm.

Answer: ________ cm

5. A square has sides of 12 metres each. What is its perimeter?

Answer: ________ metres

6. Find the perimeter of a triangle with sides measuring 7 cm, 9 cm, and 11 cm.

Answer: ________ cm

7. A pentagon (5-sided shape) has all sides equal to 6 cm. Calculate its perimeter.

Answer: ________ cm

🏠 Part 3: Real-World Applications

8. Sarah wants to put a fence around her rectangular garden. The garden is 15 metres long and 8 metres wide. How much fencing does she need?

Answer: ________ metres of fencing

9. A football field is 100 metres long and 60 metres wide. If you jogged around the entire perimeter twice, how far would you travel?

Answer: ________ metres

10. Match each real-world example with what you're finding the perimeter of:

1. Picture frame border

2. Running track distance

3. Fence around a property

4. Ribbon around a gift box

A. Rectangular boundary

B. Oval/circular shape

C. Rectangular frame

D. 3D box edges

🧩 Part 4: Composite Shapes & Problem Solving

11. Draw a composite shape made from two rectangles joined together, then explain how you would find its perimeter.

12. A rectangular swimming pool is 25 metres long and 10 metres wide. There is a 2-metre wide path all around the pool. What is the perimeter of the outer edge of the path?

Answer: ________ metres

13. Challenge: A rectangle has a perimeter of 36 cm. If the length is 12 cm, what is the width?

Width = ________ cm

14. Design Challenge: You have 48 metres of fencing to create a rectangular garden. List three different possible combinations of length and width you could use.