Unit Rates

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something, such as dollars per hour or miles per gallon.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total quantity by the number of units. For example, if you earn $20.40 for 3 hours of work, divide 20.40 by 3 to find the unit rate.

Front

If a person earns $30 in 5 hours, what is their unit rate?

Back

$6.00 per hour (30 divided by 5).

Front

What is the unit rate of gas if it costs $46.80 to fill a 13-gallon tank?

Back

$3.60 per gallon (46.80 divided by 13).

Front

How do you find the price per item when given the total cost and quantity?

Back

Divide the total cost by the number of items. For example, if 8 items cost $14.00, the price per item is 14.00 divided by 8, which equals $1.75.

Front

If a car travels 240 miles in 4 hours, what is the unit rate in miles per hour?

Back

60 miles per hour (240 divided by 4).

Front

What is the unit rate of typing speed if someone types 408 words in 4 minutes?

Back

102 words per minute (408 divided by 4).

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How can unit rates help in making comparisons?

Back

Unit rates allow for easy comparison between different quantities by standardizing them to a single unit, making it easier to see which option is more cost-effective or efficient.

Front

What is the unit rate if a person spends $15 on 5 pounds of apples?

Back

$3.00 per pound (15 divided by 5).

Front

If a recipe requires 2 cups of flour for 4 servings, what is the unit rate of flour per serving?

Back

0.5 cups of flour per serving (2 divided by 4).