Ratio and Rates

Front

What is a unit rate?

Back

A unit rate is a rate in which the unit in the denominator is 1.

Front

What is the ratio of 20 apples in the fridge to 9 apples on the table?

Back

The ratio is 20 to 9.

Front

If you run 3 miles in 30 minutes, what is the unit rate in miles per minute?

Back

The unit rate is 0.1 miles per minute.

Front

What is the ratio of 20 chocolate chip cookies to 24 oatmeal raisin cookies?

Back

The ratio is 20 to 24.

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

Justin can type 102 words per minute.

Front

How do you simplify the ratio 20:24?

Back

To simplify, divide both numbers by their greatest common divisor, which is 4. The simplified ratio is 5:6.

Front

What is the formula for calculating a unit rate?

Back

The formula for calculating a unit rate is: Unit Rate = Total Quantity / Number of Units.

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.

Front

What does it mean if a ratio is expressed as 1:4?

Back

It means for every 1 part of the first quantity, there are 4 parts of the second quantity.

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first number as the numerator and the second number as the denominator.