Doubling: Real-world Applications in Engineering
Mathematics
Year 9
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet exploring the concept of doubling through engineering-based scenarios and problems, emphasizing procedural mastery and real-world application.
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Doubling: Real-world Applications in Engineering
Subject: MathematicsGrade: Year 9
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Untitled Worksheet
Grade Year 9
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the doubled length if a steel beam is originally 4.5 meters long.
[2 marks]2.
A machine produces 120 units of parts per hour. If production is doubled, how many units are produced per hour?
[2 marks]3.
A bridge has a weight capacity of 10 tonnes. Engineers plan to double this capacity. What is the new capacity?
[2 marks]4.
Construct a rectangle on the grid with a length of 6 units. Then, double its length and draw the new rectangle.
[3 marks]5.
A gear rotates 30 times in one minute. If it rotates twice as fast, how many revolutions will it complete in one minute?
[2 marks]6.
In an engineering workshop, a worker uses 15 liters of lubricant for a machine. If the amount needed is doubled for a more powerful version, how many liters are required?
[2 marks]7.
A rectangular steel plate measures 8 units by 5 units. Construct the scaled-up rectangle with doubled length and width on the grid.
[3 marks]8.
A drone travels 3 km in 20 minutes. If the distance is doubled, how far does it travel?
[2 marks]9.
A factory produces 250 units of a product daily. If production is doubled, how many units are made in one day?
[2 marks]10.
A team of engineers designed a bridge with a span of 50 meters. They are planning to double the span for a new project. What will be the new span length?
[2 marks]11.
Identify and correct the mistake: 'Doubling a quantity means multiplying it by 3.'
[2 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet