Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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A scale factor greater than 1 indicates
a. | that the image is an enlargement of the actual object | b. | that the image is a
reduction of the actual object | c. | that the image is the same size as the actual
object | d. | that the image is a different shape than the actual
object |
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2.
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Compare Figure B to Figure A. Figure B is  a. | an enlargement of Figure A | c. | a reduction of Figure
A | b. | a proportion of Figure A | d. | a scale factor of Figure A |
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3.
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What scale factor is used to enlarge the letter on the left? 
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4.
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The scale factor used to draw the letter on the right is  a. | equal to 0 | c. | greater than 1 | b. | equal to 1 | d. | less than 1 |
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5.
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Determine the scale factor used to draw the letter on the right. 
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6.
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A scale of 2:5 means
a. | there are 2 units of the image for every unit of actual size | b. | there are 2 units of
the image for every 5 units of actual size | c. | there are 5 units of the image for every unit
of actual size | d. | there are 5 units of the image for every 2 units of actual
size |
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7.
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What scale is used to draw the image on the right from the image on the
left? 
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Use this star figure to answer the following question(s).
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8.
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Which star figure below best represents the original star with a scale factor of
40%? Each square in all grids represents one square unit.
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9.
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Which star figure below best represents the original star with a scale factor of
60%? Each square in all grids represents one square unit.
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10.
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A scale diagram of a field uses a scale of 2 mm:1 m. Determine the actual
distance from A to C. 
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Short Answer
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11.
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In a drafting class, students must create reductions of actual objects for
technical diagrams. Barry wants to use a scale factor of 0.25 to draw a machine part. If the actual
object has a width of 100 cm, what should the width of Barry’s drawing be?
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12.
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Laura uses a map to determine the distance between her hometown and the closest
campground. On the map, this distance is 2.5 cm. The actual distance is 15 km. What is the scale used
on the map?
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Problem
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13.
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The ratio of length to width of the flag of Canada is 2:1. Assume you have a
flag that is 12 cm wide.
a) What are the dimensions of an image of the flag that has a
scale factor of 3.5?
b) What are the dimensions of an image of the flag that has a scale
factor of 0.75?
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14.
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Apply a scale factor of 3 to the letter below. Draw your image on the grid
provided. 
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