Length Conversion and Perimeter

Name:

Date:

📏 Part 1: Length Conversions

1. Convert the following measurements:

a) 2.5 metres = ________ centimetres

b) 750 millimetres = ________ centimetres

c) 1.8 metres = ________ millimetres

d) 45 centimetres = ________ metres

2. Which measurement is the largest?

1200 mm

1.5 m

130 cm

0.9 m

3. A pencil is 18.5 cm long. Express this length in:

a) millimetres: ________ mm

b) metres: ________ m

🔲 Part 2: Perimeter Calculations

4. Calculate the perimeter of a rectangle with length 12 cm and width 8 cm.

Perimeter = ________ cm

5. A square has sides of 2.5 metres. What is its perimeter in centimetres?

Perimeter = ________ cm

6. Find the perimeter of a rectangle with:

Length = 850 mm, Width = 40 cm

(Convert to the same units first!)

Perimeter = ________ cm

🏠 Part 3: Real-World Applications

7. Sarah wants to put a fence around her rectangular garden. The garden is 4.5 metres long and 280 centimetres wide. How many metres of fencing does she need?

Answer: ________ metres

8. A picture frame has the following measurements:

• Top edge: 25 cm

• Bottom edge: 250 mm

• Left edge: 0.2 m

• Right edge: 200 mm

What is the total perimeter in centimetres?

Perimeter = ________ cm

9. A composite shape is made from two rectangles joined together. Rectangle A has dimensions 6 cm × 4 cm, and Rectangle B has dimensions 3 cm × 2 cm (attached to one side of Rectangle A). Draw the shape and calculate its perimeter.

Perimeter = ________ cm