What is a key characteristic of similar figures?
Determining Similarity of Figures Using Dilations and Scale Factors

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Mathematics
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1st - 6th Grade
•
Medium
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Their corresponding angles are congruent.
Their sides are not proportional.
They have the same size.
They have different shapes.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common mistake students make when working with dilation problems?
Confusing the shapes of figures.
Misidentifying corresponding angles.
Incorrectly finding the scale factor.
Ignoring the size of the figures.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the scale factor using coordinates?
By adding the coordinates.
By subtracting the coordinates.
By dividing a postdilation coordinate by a predilation coordinate.
By multiplying the coordinates.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to a figure when it undergoes a dilation with a scale factor less than 1?
The figure changes shape.
The figure shrinks.
The figure remains the same size.
The figure enlarges.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you prove that two trapezoids are similar?
By verifying that their scale factor is consistent across all coordinates.
By checking if their angles are different.
By ensuring their sides are not proportional.
By comparing their perimeters.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the scale factor used to prove the similarity of squares in the example?
2
1/4
2.5
1/2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main takeaway from the lesson on similar figures?
Similar figures have different shapes.
Dilations do not affect the size of figures.
Scale factors are crucial in determining similarity.
Angles are not important in similarity.
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