Scaled Copies and Scale Factor

Flashcard
•
Mathematics
•
7th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a Scale Factor?
Back
The number you multiply by the sides of a figure to create a scaled copy.
Tags
CCSS.7.G.A.1
2.
FLASHCARD QUESTION
Front
Is Figure B a scaled copy of Figure A if all peaks are half as tall?
Back
No, because the scale factor must be consistent for all corresponding sides.
Tags
CCSS.8.G.A.3
3.
FLASHCARD QUESTION
Front
What are corresponding sides in similar figures?
Back
Corresponding sides are the sides of two figures that are in the same position relative to each other.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
4.
FLASHCARD QUESTION
Front
What is the scale factor from ΔABC to ΔDEF if the sides of ΔDEF are twice as long?
Back
2
Tags
CCSS.7.G.A.1
5.
FLASHCARD QUESTION
Front
If a drawing of a car is 3 cm long and the scale factor is 1 cm = 4 ft, how long is the real car?
Back
12 feet
Tags
CCSS.7.G.A.1
6.
FLASHCARD QUESTION
Front
How do you find the scale factor between two similar figures?
Back
Divide the length of a side of the scaled figure by the length of the corresponding side of the original figure.
Tags
CCSS.7.G.A.1
7.
FLASHCARD QUESTION
Front
If the scale factor is 1/3, how does the size of the scaled copy compare to the original?
Back
The scaled copy is one-third the size of the original.
Tags
CCSS.7.G.A.1
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