Ratio, Rates and Proportions Flashcard

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is equal to one. For example, if 12 people cost $66, the unit rate is $5.50 per person.

Front

How do you find the unit rate?

Back

To find the unit rate, you divide the total cost by the number of units. For example, to find the cost per person, divide the total cost by the number of people.

Front

What operation do you use to solve for unit rate?

Back

Division is used to solve for unit rate.

Front

Back

x = 1.

Front

What is the ratio of STARS to SQUARES if there are 3 STARS and 4 SQUARES?

Back

The ratio of STARS to SQUARES is 3 to 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 to 3.

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

If 5 apples cost $3, what is the cost of 1 apple?

Back

The cost of 1 apple is $0.60.

Front

Back

The missing number is 12.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: as a fraction (2/3), with a colon (2:3), or in words (2 to 3).