Flashcard 9/24: Rates, Ratios and Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as one unit. For example, if Mr. Keys made $90 in 5 hours, the unit rate is $18 per hour.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different. For example, the ratios 1:2 and 2:4 are equivalent.

Front

Express the ratio 18 ounces to 3 cups as a fraction in simplest form.

Back

6 to 1.

Front

How do you simplify the ratio 35:14?

Back

The simplified form of the ratio 35:14 is 5:2.

Front

If there are 88 students in 4 classes, how many students are there per class?

Back

22 students per class.

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 find a unit rate from a total amount?

Back

To find a unit rate, divide the total amount by the number of units. For example, if you have $90 for 5 hours, divide 90 by 5 to get $18 per hour.

Front

What is the difference between a rate and a ratio?

Back

A rate is a specific kind of ratio that compares two quantities with different units, while a ratio compares two quantities with the same unit.

Front

What is the simplest form of the ratio 12:16?

Back

The simplest form of the ratio 12:16 is 3:4.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.