Ratios, Rates & 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 rate?

Back

A rate is a specific kind of ratio that compares two different units, such as miles per hour or dollars per pound.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit, such as 60 miles per hour (60 miles for 1 hour).

Front

If 4 bars of soap cost $5, how much does 1 bar cost?

Back

$1.25 per bar.

Front

If 5 pounds of concrete cost $40, what is the cost per pound?

Back

$8 per pound.

Front

How do you find the total cost of multiple items?

Back

Multiply the cost of one item by the number of items.

Front

If Mike bought 3 tickets for $75, how much is one ticket?

Back

$25 per ticket.

Front

If 11 packages of markers cost $55, what is the cost of 1 package?

Back

$5 per package.

Front

How many towels are needed for 16 blankets if the ratio is 7 towels for 4 blankets?

Back

28 towels.

Front

What is the formula to calculate a unit rate?

Back

Unit Rate = Total Quantity / Number of Units.