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Dilations - Printable Math Worksheets 8th Grade - Wayground

Dilations

Julie Shaw

Created by Julie Shaw

10 questions

8th Grade

Math

Updated Oct 2026

This free printable Grade 8 mathematics worksheet gives students focused practice with dilations through 10 multiple-choice questions. Students identify dilations, distinguish an enlargement from a reduction, interpret scale factors greater than or less than one, and connect the scale factor to corresponding lengths in an original figure and its image. The questions also reinforce the meaning of image, the definition of scale factor, and the multiplication used in a dilation. The worksheet mixes true-or-false, vocabulary-based, visual identification, and numerical multiple-choice items, including finding a scale factor from a 12-unit segment that becomes 4 units. It is useful for introducing or reviewing how scale factors change figures while preserving similarity. Teachers can use the included complete answer key for independent practice, guided review, or a quick check of Grade 8 understanding. The worksheet is free to print and is also available digitally through Wayground.

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Dilations

Total questions: 10

Name
Class
Date
1.

A dilation produces a similar figure

a)

True

b)

False

2.

When the scale factor of a dilation is less than one, the dilation is a reduction (gets smaller).

a)

True

b)

False

3.

An image is dilated at a scale factor of 1.5. This means the dilation is an enlargement and the dilated image will be bigger.

a)

True

b)

False

4.
Choose the correct scale factor:
Choose the correct scale factor:
a)
2
b)
3
c)
1/3
d)
1/2
5.

A dilation is which of the following:

a)

an enlargement

b)

a reduction

c)

Either an enlargement or a reduction

d)

Neither an enlargement or a reduction

6.
Does the image show a Dilation?
Does the image show a Dilation?
a)
Yes
b)
No
7.
If a line segment has a length of 12 units and after a dilation the image length is 4 units, what was the scale factor?
a)
3
b)
1/3
c)
8
8.
The "image" is the shape before the dilation.
a)
True
b)
False
9.
The __________ is the ratio of a length of the new figure to the corresponding length on the original figure.
a)
reduction
b)
enlargement
c)
scale factor
d)
center of dilation
10.
In a dilation what mathematical operation is used with the scale factor?
a)
addition 
b)
subtraction 
c)
multiplication 
d)
division 
WaygroundAnswer Key

Dilations

Total questions: 10

1.
a)

True

2.
a)

True

3.
a)

True

4.
a) 2
5.
c)

Either an enlargement or a reduction

6.
a) Yes
7.
b) 1/3
8.
b) False
9.
c) scale factor
10.
c) multiplication 

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FAQs

What does this dilations worksheet cover?

This Grade 8 worksheet uses 10 multiple-choice questions to build understanding of dilations, including identifying an image, distinguishing enlargements from reductions, interpreting scale factors, and recognizing that dilation multiplies corresponding lengths. Students apply these ideas in true-or-false, vocabulary, visual identification, and numerical questions, including calculating a scale factor from original and image lengths.

How can I use this worksheet to teach dilations and scale factors?

Introduce the worksheet by having students define the original figure, image, and scale factor, then model how multiplication by a factor below or above 1 creates a reduction or enlargement. As students work through the multiple-choice items, ask them to justify why a factor such as 1.5 enlarges a figure and why a 12-unit segment becoming 4 units corresponds to a factor of 1/3. Use the visual identification question as a prompt to discuss the features that make figures related by dilation.

What mistakes should I watch for when students complete this dilations worksheet?

Students may reverse the original figure and image, confuse a reduction with an enlargement, or choose 3 instead of 1/3 when a 12-unit length becomes 4 units. They may also treat scale factor as an additive change rather than a ratio applied through multiplication, or assume a dilation can only make a figure larger. Review the vocabulary and have students compare the factor with 1 before selecting an answer.

How do I assign and grade this dilations worksheet?

You can assign this dilations worksheet as a printable PDF or as a digital quiz on Wayground. It includes a complete answer key for checking the 10 multiple-choice responses, and printable submissions can be graded by scanning student work with the Wayground for Teachers app. The printable format also gives schools an option for reducing screen time.

How can I differentiate this dilations worksheet for my students?

Use the worksheet’s Advanced Settings to adjust font spacing or choose a larger font size so the multiple-choice options and scale-factor notation are easier to read. You can also apply a dyslexia-friendly font or translate the worksheet into another language, while keeping the dilation questions and answer choices intact.

Where can I find more worksheets like this on Wayground?

Wayground offers a broad collection of free printable worksheets and practice problems across all subjects, with downloadable PDFs and answer keys to support essential skills and concepts. Browse more resources at https://wayground.com/en-us/worksheets.

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