Ratios, Rates, and Unit Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b' or a:b.

Front

How do you calculate a unit rate?

Back

A unit rate is calculated by dividing the quantity of one item by the quantity of another item, typically expressed as 'per 1 unit' (e.g., miles per hour, cost per item).

Front

If 5 pounds of apples cost $35, what is the cost of 1 pound?

Back

$7.00

Front

What is a rate?

Back

A rate is a specific kind of ratio that compares two different units, such as speed (miles per hour) or price (cost per item).

Front

How do you determine which item is a better buy?

Back

To determine the better buy, calculate the unit price for each item and compare them. The item with the lower unit price is the better buy.

Front

What is the unit rate of 62 words in 1 minute?

Back

62 words per minute.

Front

If a 12 pack of juice boxes costs $6.59 and an 8 pack costs $4.79, which is the better buy?

Back

The 12 pack is the better buy.

Front

How do you find the cost per ounce of a container?

Back

To find the cost per ounce, divide the total cost of the container by the number of ounces it contains.

Front

What is the cost per ounce of a 16 oz orange juice for $1.28?

Back

$0.08 per ounce.

Front

What is the cost per ounce of a 32 oz orange juice for $1.92?

Back

$0.06 per ounce.