Unit Rates. By Skanda Sudhir. Vocabulary and symbols . : -This symbol is a shorter way to say, is to :: - This symbol is a shorter way to say, as is to. Unit – A math measurement used to find length, width, height, weight, capacity, etc.
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By Skanda Sudhir
weight, capacity, etc.
Unitratesdescribe how many units of the first quantity can correspond to the type of units of the second quantity. A common unitrate is miles or kilometer per hour. Basically, you write unitrates like this: (exp.) minute : hour :: 60 : 1.
Unitrates help us by seeing how many of a unit is in a whole quantity. How? You sample and multiply! But the answer isn’t always right same or not in the real world because you can’t tell if all the quantities are the same amount ornot.
Here are examples of unit rates
Here are some real world examples:
Sample problem 1: If there is 5 orphanages in 1 city, than how many orphanages are in 1,150 cities?