Ratios 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

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 'x per 1 unit'.

Front

How do you calculate the cost of one item from a total cost?

Back

To find the cost of one item, divide the total cost by the number of items.

Front

If 20 tickets cost $250, how much does one ticket cost?

Back

One adult ticket costs $12.50.

Front

What is the unit price of an item?

Back

The unit price is the cost per single unit of measure, such as per item, per pound, etc.

Front

How do you find the unit price from a total cost?

Back

Divide the total cost by the total number of units.

Front

If bananas cost $1.44 per pound, how much do 6 pounds cost?

Back

6 pounds of bananas cost $8.64.

Front

What is the unit rate of $25.97 for 8 boxes?

Back

The unit rate is $3.25 per box.

Front

How do you express a total cost as a unit rate?

Back

Divide the total cost by the total number of items to express it as a unit rate.

Front

If 15 pizzas cost $97.50, what is the unit rate per pizza?

Back

The unit rate is $6.50 per pizza.