Ratios/Rates/Unit Rate

Front

What is a ratio?

Back

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

Front

Which of the following is NOT a correct way to write a ratio? (X : Y, X and Y, X/Y, X to Y)

Back

X and Y is NOT a correct way to write a ratio.

Front

How do you simplify the ratio 35 : 14?

Back

The simplified ratio is 5 : 2.

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, such as 60 miles per hour.

Front

If Kelly has 10 apps on her iPad, 5 are school apps, and 3 are games, what is the ratio of school apps to game apps?

Back

The ratio of school apps to game apps is 5 to 3.

Front

What is the price per product if 8 Pepsi products cost $14.00?

Back

The price per product is $1.75.

Front

How do you express the ratio of 4 apples to 2 oranges?

Back

The ratio can be expressed as 4 : 2 or simplified to 2 : 1.

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 car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

The unit rate is 50 miles per hour.