Ratio, Rates & Unit Rates Test Review

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD).

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two quantities with different units, such as speed (miles per hour).

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit, such as 60 miles per hour.

Front

How do you find a missing value in a ratio table?

Back

To find a missing value in a ratio table, set up a proportion based on the known values and solve for the unknown.

Front

If the ratio of red paint to yellow paint is 3:5, how much yellow paint is needed for 9 oz of red paint?

Back

15 oz of yellow paint is needed.

Front

What is the relationship between ice cream cones and brownies if there are 5 cones for every 3 brownies?

Back

For every 3 brownies sold, 5 ice cream cones are sold, maintaining the ratio of 5:3.

Front

How do you calculate the number of items based on a given ratio?

Back

Multiply the known quantity by the ratio's corresponding factor to find the unknown quantity.

Front

What is the ratio of scooters to skateboards if there are 30 scooters and the ratio is 5:2?

Back

If there are 30 scooters, there would be 12 skateboards.

Front

What does a 1:2 ratio mean?

Back

A 1:2 ratio means that for every 1 unit of the first quantity, there are 2 units of the second quantity.