Simple Scaling: Mixed Review
Mathematics
Year 9
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A mixed review worksheet focusing on Simple Scaling within Direct Proportion, suitable for Year 9 students. Includes procedural, application, and extension questions.
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Full preview • 11 questions
Simple Scaling: Mixed Review
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.
If a recipe for 4 people uses 200 grams of flour, how much flour is needed to serve 10 people?
[2 marks]2.
A map scale shows that 1 cm represents 5 km. On the map, a route measures 7 cm. How many kilometers does the route cover?
[2 marks]3.
Calculate the scaled length if a side of 12 cm in a drawing is scaled up by a factor of 3.
[2 marks]4.
A car travels 150 km in 3 hours. If it maintains the same speed, how far will it travel in 5 hours?
[2 marks]5.
A 6 kg bag of rice costs $18. How much would a 10 kg bag cost, assuming the price scales directly with weight?
[2 marks]6.
Construct a rectangle on the grid with a length of 8 units scaled up by a factor of 4. What is the new length? Show on the grid.
[3 marks]7.
A photograph measures 10 cm by 15 cm. If scaled up by a factor of 2, what are the new dimensions? Show calculations.
[3 marks]8.
A model airplane has a wingspan of 30 cm. If its actual wingspan is 15 meters, what is the scale factor used? Express as a ratio.
[2 marks]9.
A map is scaled such that 1 cm represents 2 km. If the distance between two cities on the map is 12 cm, what is the actual distance?
[2 marks]10.
Identify and correct the mistake in this scaling statement: 'If a 5 cm object is scaled up by a factor of 4, its new length is 25 cm.'
[3 marks]11.
A drawing of a triangle has sides 3 cm, 4 cm, and 5 cm. The drawing is scaled up by a factor of 3. What are the new side lengths? Show your working.
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet