Intro to Dilations
Authored by Ham Bone
Mathematics
8th Grade
CCSS covered
Used 40+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
In a DILATION, everything about the two shapes/images is congruent (same) except...
size
angles
the type of shape
Tags
CCSS.8.G.A.3
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Dilations can only increase in size.
true
false
Tags
CCSS.8.G.A.3
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dilations create SIMILAR figures, which means the dimensions (side lengths) of the images must be...
proportional ratios
exactly the same
even numbers
odd numbers
Tags
CCSS.8.G.A.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does the scale factor of "1" NOT result in a dilation?
making an image 1 times larger would not change its size, therefore it would remain the same/congruent image
1 cannot be a scale factor because it is not a fraction
1 cannot be a scale factor because it is not a decimal
Tags
CCSS.8.G.A.3
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Even though the size of the image changed, which statement below explains why this is NOT an example of a dilation? (NOT similar figures)
the width increased in size, but the height did not change at all (they must both change the same way)
the width of the image got larger, not smaller
this is a dilation actually, because the image increased 3 times the original size
these are not a dilation, because the two images are congruent
Tags
CCSS.8.G.A.3
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
SCALE FACTOR describes the number that is multiplied by a pre-image that determines...
how many times bigger an image gets
how many times smaller an image gets
how many times bigger or smaller an image gets
Tags
CCSS.7.G.A.1
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which scale factor below would result in a dilation that is smaller than the pre-image?
0.5
3.5
2
4
Tags
CCSS.8.G.A.3
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