Mastering Transformations: Enlargement
Mathematics
Grade 7
11 questions
~22 mins
0 views0 downloads
About This Worksheet
A worksheet covering the concept of enlargement in transformations, suitable for introductory Grade 7 students. It includes basic questions and application problems to develop understanding.
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Mastering Transformations: Enlargement
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.
What is the scale factor if a figure enlarges from a side length of 4 cm to 12 cm?
[2 marks]2.
If a triangle has vertices at (2, 3), (4, 5), and (6, 3), what are the coordinates after enlargement with scale factor 2 centered at the origin?
[3 marks]3.
A rectangle with width 5 cm and height 8 cm is enlarged with a scale factor of 1.5. What are the new dimensions?
[2 marks]4.
Calculate the length of the side after enlargement if the original side is 9 cm and the scale factor is 2.5.
[2 marks]5.
Identify the scale factor if a figure enlarges from 3 cm to 9 cm in size.
[1 mark]6.
A square's vertices are at (1, 1), (1, 4), (4, 4), and (4, 1). After a scale factor of 2 enlargement centered at (0,0), what are the new coordinates?
[3 marks]7.
If a figure is enlarged with a scale factor of 0.5, what is the size of the figure compared to the original?
[1 mark]8.
A triangle has vertices at (2, 2), (4, 2), and (3, 4). It is enlarged with a scale factor of 3 about the point (2, 2). What are the new coordinates?
[3 marks]9.
A figure enlarges from 5 cm to 20 cm in size. What is the scale factor?
[2 marks]10.
A real-world example: A map shows a park with a length of 3 km. The map is scaled so that 1 cm on the map equals 0.5 km in real life. If the enlarged map shows the park as 6 cm long, what is the actual length of the park in real life?
[4 marks]11.
Challenge: A photograph of a building is enlarged by a scale factor of 2. The original height was 15 meters. What is the height after enlargement? If the building's original width was 10 meters, what is the width after enlargement?
[4 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet