5.1/5.2 Pre-Algebra

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how many units of one quantity correspond to one unit of another quantity.

Front

Which of the following is NOT an example of a unit rate? 20 miles per hour, 60 feet per minute, $40.00 every day, All of these are examples of unit rates.

Back

All of these are examples of unit rates.

Front

If there are 5 boys and 7 girls, write the ratio of girls to boys.

Back

Front

What is a ratio?

Back

A ratio is a comparison of two quantities using division.

Front

The car travels 440 miles in 8 hours. What is the unit rate?

Back

The unit rate is 55 miles in 1 hour.

Front

If Mrs. Esposito drove 585 miles to North Carolina in 9 hours, what speed was she driving?

Back

She was driving at a speed of 65 mph.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the number of units of another item.

Front

What is the ratio of boys to girls if there are 5 boys and 7 girls?

Back

Front

What does it mean if a rate is expressed as 'per unit'?

Back

It means the rate is calculated for one unit of measurement, such as miles per hour or dollars per item.

Front

If a car travels 300 miles in 5 hours, what is the unit rate?

Back

The unit rate is 60 miles in 1 hour.