📐 Part 1: Understanding Perimeter

1. Define perimeter in your own words:

2. How does perimeter relate to the boundary of a shape?

3. What is the formula for calculating the perimeter of a rectangle?

Perimeter = ___________________

📏 Part 2: Drawing and Labelling Rectangles

4. Draw a rectangle with length = 8 cm and width = 5 cm. Label all sides with their measurements.

5. Draw a rectangle with length = 12 cm and width = 7 cm. Label all sides with their measurements.

🧮 Part 3: Calculating Perimeter

6. Calculate the perimeter of a rectangle with length = 9 cm and width = 4 cm.

Answer: _______ cm

7. Calculate the perimeter of a rectangle with length = 15 m and width = 8 m.

Answer: _______ m

8. Calculate the perimeter of a rectangle with length = 6.5 cm and width = 3.2 cm.

Answer: _______ cm

9. A rectangle has a length of 20 mm and width of 13 mm. What is its perimeter?

Answer: _______ mm

10. Find the perimeter of a rectangle measuring 2.8 m by 1.6 m.

Answer: _______ m

🌱 Part 4: Real-Life Applications

11. Sarah wants to put a fence around her rectangular vegetable garden. The garden measures 12 metres long and 8 metres wide. How much fencing does she need?

Step 1: Draw and label the garden below:

Step 2: Show your working:

Answer: Sarah needs _______ metres of fencing.

12. The school wants to put a decorative border around a rectangular whiteboard. The whiteboard is 180 cm long and 120 cm wide. What length of border material is needed?

Step 1: Draw and label the whiteboard below:

Step 2: Show your working:

Answer: _______ cm of border material is needed.

🎯 Part 5: Challenge Questions

13. A rectangular swimming pool has a perimeter of 50 metres. If the length is 15 metres, what is the width?

Width = _______ metres

14. Which rectangle has the larger perimeter?

Rectangle A: 14 cm × 6 cm

Rectangle B: 12 cm × 8 cm

They have the same perimeter

Show your working:

15. A rectangular picture frame needs trim around its edge. If the frame is 25 cm by 35 cm, and trim costs $2.50 per metre, how much will the trim cost?

Total cost = $______