Mastering Unit Costs & Best Buys
Mathematics
Grade 7
12 questions
~24 mins
0 views0 downloads
About This Worksheet
A worksheet covering Unit Costs & Best Buys focusing on Ratio, Proportion & Rates of Change for Grade 7 students.
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Mastering Unit Costs & Best Buys
Subject: MathematicsGrade: Grade 7
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Untitled Worksheet
Grade Grade 7
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
If a 500g jar of jam costs $4.50, what is the cost per 100g?
[2 marks]2.
A 2L bottle of juice costs $3.60. What is the cost per litre?
[2 marks]3.
A bag of rice weighs 1.5kg and costs $4.50. What is the cost per kilogram?
[2 marks]4.
If 3 pencils cost $1.20, what is the cost of one pencil?
[2 marks]5.
A car travels 150 km in 3 hours. What is its rate of travel in km/h?
[2 marks]6.
A recipe requires 2 cups of sugar for 4 servings. How much sugar is needed per serving?
[2 marks]7.
A $12.99 book is on sale for 25% off. What is the sale price?
[2 marks]8.
A machine produces 120 units in 8 hours. How many units does it produce per hour?
[2 marks]9.
Two brands of cereal are being compared. Brand A costs $3.00 for 300g, while Brand B costs $3.60 for 400g. Which is the better buy per gram?
[4 marks]10.
Sarah wants to buy a pack of 6 pens for $2.40 and a pack of 8 pens for $3.20. Which pack is the better deal per pen?
[4 marks]11.
A cyclist bikes 90 km in 3 hours. If they want to complete 150 km at the same rate, how many hours will it take?
[4 marks]12.
A store sells oranges at 5 for $2. How much would 12 oranges cost?
[4 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet