📐 Part 1: Scale Reading and Measurements (25 marks)

a) 450 cm = _______ m

b) 2.8 m = _______ mm

c) 0.75 km = _______ m

d) 3500 mm = _______ m

e) 1.25 m = _______ cm

f) 8 m = _______ mm

📏 Part 2: Area and Perimeter Calculations (30 marks)

a) Calculate the area of the living room. (5 marks)

b) Calculate the perimeter of the living room. (5 marks)

a) What is the area in square metres? (3 marks)

b) Carpet costs $45 per square metre. How much will it cost to carpet this room? (4 marks)

c) Skirting boards are needed around the perimeter. If the door opening is 1.2 m wide, what length of skirting board is required? (5 marks)

Rectangle 1: 3.5 m × 2.8 m

Rectangle 2: 2.1 m × 1.9 m

Calculate the total area of the kitchen.

🏠 Part 3: Floor Plan Design Project (15 marks)

• Total floor area must be between 80-100 square metres
• Must include: 2 bedrooms, 1 bathroom, kitchen, living room
• Use a scale of 1:100
• Show all measurements on your plan
• Include proper symbols for doors and windows

Calculations and justifications:

📋 Assessment Rubric

Total: _____ / 70 marks

Grade: _______

✅ Answer Key

Question 1: 4.5 cm × 100 = 450 cm = 4.5 m

Question 2:

• 6 cm = 3 m
• 8.5 cm = 4.25 m
• 15 cm = 7.5 m
• 24 cm = 12 m

Question 3: A-2, B-1, C-3

Question 4:

• a) 4.5 m
• b) 2800 mm
• c) 750 m
• d) 3.5 m
• e) 125 cm
• f) 8000 mm

Question 5:

• a) Area = 6.5 × 4.2 = 27.3 m²
• b) Perimeter = 2(6.5 + 4.2) = 21.4 m

Question 6:

• a) Area = 4.8 × 3.6 = 17.28 m²
• b) Cost = 17.28 × $45 = $777.60
• c) Perimeter = 2(4.8 + 3.6) - 1.2 = 15.6 m

Question 7: Total area = (3.5 × 2.8) + (2.1 × 1.9) = 9.8 + 3.99 = 13.79 m²

Question 8: Assessment based on rubric criteria