Unit 1 Review - Scale Copies and Drawings

Flashcard
•
Mathematics
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What does a scale of 1 cm to 2.25 km mean?
Back
It means that every 1 centimeter on the map represents 2.25 kilometers in reality.
2.
FLASHCARD QUESTION
Front
How do you calculate the actual distance represented by a distance on a map?
Back
Multiply the distance on the map by the scale factor.
3.
FLASHCARD QUESTION
Front
If a map scale is 1 cm to 15 km, what is the actual distance for 30 cm on the map?
Back
450 km.
4.
FLASHCARD QUESTION
Front
What is a scaled copy?
Back
A scaled copy is a figure that is the same shape as another figure but is a different size, created by multiplying the dimensions by a scale factor.
5.
FLASHCARD QUESTION
Front
How do you find the distance on a map if you know the actual distance and the scale?
Back
Divide the actual distance by the scale factor.
6.
FLASHCARD QUESTION
Front
If a polygon is scaled by a factor of 1/2, how do you find the new length of a side?
Back
Multiply the original length by 1/2.
7.
FLASHCARD QUESTION
Front
What is the scale factor in the example where 1 cm represents 25 km?
Back
The scale factor is 25 km per 1 cm.
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