Scale Factors
Presentation
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Mathematics
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8th - 10th Grade
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Practice Problem
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Easy
+5
Standards-aligned
Mr. Simpson
Used 130+ times
FREE Resource
8 Slides • 5 Questions
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Scale Factor
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Now you try, did this potion make a person grow or shrink? Answer on the next slide.
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Poll
So did the potion make the person grow or shrink?
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Now you try, did this potion make a person grow or shrink? Answer on the next slide.
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Poll
So did the potion make the person grow or shrink?
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Using Scale Factors:
When given a scale factor we multiply that number to the original dimensions to find the new dimensions.
For Example, 15 x = 6
Therefore our new box will have dimensions of 6 in. by 14 in.
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Multiple Choice
You try to find the new dimensions of the box. Click the picture to zoom.
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Multiple Choice
You try to find the new dimensions of the box. Click the picture to zoom.
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Finding Scale factors
To find scale factors, we divide the new image by the old image.
(We use ' to represent the new image we call H', H prime)
So, our scale factor here would be:
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Multiple Choice
You try now. What is the scale factor of the rectangles in the image
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Scale Factor
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