Ratios, Rates, & Unit Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or price per item.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is 1. It tells how much of one quantity corresponds to one unit of another quantity.

Front

How do you find the unit rate from a ratio?

Back

To find the unit rate, divide the first quantity by the second quantity.

Front

Simplify the ratio 20:30.

Back

2:3

Front

Simplify the ratio 8:4.

Back

2:1

Front

Write the ratio 15 children out of 60 passengers as a fraction in simplest form.

Back

1/4

Front

If there are 18 houses on 2 blocks, how many houses are there per block?

Back

9 houses per block.

Front

If there are 12 rooms on 2 floors, how many rooms are there per floor?

Back

6 rooms per floor.

Front

What is the first step to simplify a ratio?

Back

Find the greatest common factor (GCF) of the two numbers.