Ratios/Rates/Unit Rate

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative size of one quantity to another. It can be expressed in various forms such as fractions, decimals, or with a colon (e.g., 2:3).

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 one unit. For example, if a car travels 60 miles in 1 hour, the unit rate is 60 miles per hour.

Front

How do you calculate the unit price?

Back

To calculate the unit price, divide the total price by the number of units. For example, if a 12-pack of juice costs $6.59, the unit price is $6.59 ÷ 12.

Front

What is the ratio of pears to all fruit if there are 4 apples, 2 bananas, and 5 pears?

Back

The ratio of pears to all fruit is 5:11.

Front

Which of the following expresses a ratio? 2/3, two-thirds, 0.667, 2.3

Back

2/3 expresses a ratio.

Front

What is the difference between a ratio and a rate?

Back

A ratio compares two quantities of the same kind, while a rate compares two quantities of different kinds.

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.

Front

What is an example of a rate?

Back

An example of a rate is 45 miles per hour.

Front

Which ratio is written incorrectly? X : Y, X and Y, X/Y, X to Y

Back

X and Y is written incorrectly as it does not represent a ratio.