Rates and Unit Rates

Front

What is a rate?

Back

A rate is a ratio that compares two quantities with different units, such as miles per hour or cost per item.

Front

What is a unit rate?

Back

A unit rate is a rate in which the denominator is 1, indicating how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the numerator by the denominator to find the amount per one unit.

Front

If a machine packs 70 boxes in 5 minutes, how many boxes does it pack in 1 minute?

Back

14 boxes.

Front

What is the ratio of squares to circles if there are 12 squares and 6 circles?

Back

The ratio is 2:1.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common factor.

Front

If a car travels 160 miles in 4 hours, what is its speed in miles per hour?

Back

40 miles per hour.

Front

How far will a car travel in 7 hours at a speed of 40 miles per hour?

Back

280 miles.

Front

What is the formula for finding the total distance traveled?

Back

Total Distance = Speed × Time.

Front

If a recipe calls for 3 cups of flour for 4 servings, how much flour is needed for 1 serving?

Back

0.75 cups of flour.