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Comparing and Scaling
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Terms in this set (17)
proportion
An equation that shows that two ratios are equal
ratio
A comparison of two quantities
percent
a number that represents how many out of a hundred
fraction
a part of a whole, ex: 3/4
difference
the number that remains after subtraction
rate
A comparison (ratio) of two quantities measured in different units.
rate table
a data table that organizers equivalent rates
unit rate
Comparing an amount to one (5 apples for $10, how much does 1 apple cost?)
scale
the ratio between the size of something and a representation of it
comparison
the act of checking or judging how two or more things are alike or different
congruent
same shape and same size
equivalent ratio
ratios that name the same fraction
scale factor
The number used to multiply the lengths of a figure to stretch or shrink it to a similar image
corresponding angles
angles in the same place in different shapes
corresponding side lengths
side lengths in the same place in different shapes
part to part
a way to compare two quantities that are the parts of a whole thing
part to whole
a way to compare two quantities, the first is a part and the second is the whole thing
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