📏 Part 1: Understanding Perimeter

1. What is perimeter?

The area inside a shape

The distance around the edge of a shape

The height of a shape

The width of a shape

2. To find the perimeter of a rectangle, you need to:

Multiply length × width

Add all four side lengths together

Measure only the longest side

Count the corners

3. A square has sides of 8 cm each. What is its perimeter?

16 cm

24 cm

32 cm

64 cm

🔢 Part 2: Calculate Perimeter

4. Calculate the perimeter of a rectangle with length 12 cm and width 7 cm.

Perimeter = _______ cm

5. A triangle has sides measuring 9 cm, 12 cm, and 15 cm. Find the perimeter.

Perimeter = _______ cm

6. A rectangular garden needs fencing around it. If the garden is 8 metres long and 5 metres wide, how much fencing is needed?

Fencing needed = _______ metres

7. Draw a rectangle that has a perimeter of 20 cm. Label each side with its measurement.

8. Sarah wants to put a border around her square picture frame. Each side of the frame is 25 cm. How much border material does she need?

9. A rectangular rugby field is 100 metres long and 70 metres wide. What is the perimeter of the field?

Answer: _____________ metres

10. Explain in your own words why knowing how to calculate perimeter is useful in everyday life. Give one example.