Scale Factor Practice Worksheet
A Grade 8 math worksheet focusing on understanding and applying scale factors to geometric figures, including identifying scale factors and calculating dimensions of scaled figures.
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Scale Factor Practice
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Read each question carefully and answer to the best of your ability. Show all your work for short answer questions.
1. A rectangle has a length of 10 cm and a width of 5 cm. If it is enlarged by a scale factor of 2, what are the new dimensions?
Length = 12 cm, Width = 7 cm
Length = 20 cm, Width = 10 cm
Length = 10 cm, Width = 5 cm
Length = 5 cm, Width = 2.5 cm
2. If a figure is shrunk by a scale factor of 1/2, how does its area change?
It is halved.
It is quartered.
It is doubled.
It remains the same.
3. The ratio of the lengths of corresponding sides of two similar figures is called the .
4. If the scale factor is greater than 1, the figure is .
5. A triangle has sides of length 3 cm, 4 cm, and 5 cm. If it is dilated by a scale factor of 3, what are the new lengths of its sides?
6. A map has a scale of 1:500. If two cities are 10 cm apart on the map, what is the actual distance between them in meters?
7. A scale factor of 0.5 means the new figure is an enlargement of the original.
True
False
8. Draw a rectangle with length 4 units and width 2 units on the grid below. Then, draw an enlargement of this rectangle using a scale factor of 1.5.
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