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# Module 1 - 7th grade

### ratios, equivalent ratios, unit rates, proportions

TermDefinition
ratio A comparison between two quantities
rate A comparison between two quantities in a given context
equivalent ratios Two or more ratios that have the same value when divided.
unit rate an amount per 1 unit
Find the unit rate : 420 pages in 6 hours 70 pages per hour
Rate or Ratio? Shelby drove 360 miles in 6 hours rate
Rate or Ratio? 5 : 4 ratio
K constant of proportionality
What does it mean to be proportional? All the given rates have the same ratio value.
How do I find the constant of proportionality? y/x
What is the proportional equation we use? y = kx
How do I find the unit rate? y/x
Example of Unit Rate 60 miles per 1 hour
Example Rate \$8.99 for 3 bags of chips
Units of Measure The variables being compared in the given problem.
Created by: jboatwright
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