Mastering Unit Costs & Best Buys
Mathematics
Grade 8
12 questions
~24 mins
0 views0 downloads
About This Worksheet
A worksheet covering Unit Costs & Best Buys for Grade 8 students, focusing on ratios, proportion, and rates of change.
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Mastering Unit Costs & Best Buys
Subject: MathematicsGrade: Grade 8
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Date:
Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
A chocolate bar costs $2.40 for a 150g bar. What is the cost per gram?
[2 marks]2.
A 500ml bottle of juice costs $3.75. What is the cost per 100ml?
[2 marks]3.
A pack of 12 pens costs $6.00. What is the cost per pen?
[2 marks]4.
If 3 kg of rice costs $9.60, what is the cost per kilogram?
[2 marks]5.
A bike travels 60 km in 2 hours. What is its rate of speed in km/h?
[2 marks]6.
A car uses 8 liters of petrol to travel 100 km. What is the rate of petrol consumption per km?
[2 marks]7.
A shop sells 24 bottles of water for $12. What is the unit price per bottle?
[2 marks]8.
A train travels 180 km in 3 hours. What is its average speed in km/h?
[2 marks]9.
A box of cereal weighs 750g and costs $3.75. What is the cost per 100g?
[2 marks]10.
A farmer harvests 120 kg of apples from 4 trees. What is the average weight of apples per tree?
[2 marks]11.
Challenge: A store offers a 25% discount on a jacket originally priced at $80. What is the sale price?
[3 marks]12.
Real-world Application: A car rental company charges $40 per day plus $0.20 per km driven. How much will it cost to rent a car for 3 days and drive 150 km?
[4 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet