Rates and Unit Rate

Front

What is a rate?

Back

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one unit. It tells you how much of one quantity corresponds to one unit of another quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total amount by the number of units. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Emilee spent $46.80 for 13 gallons of gas, what is the price per gallon?

Back

$3.60 per gallon.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Briella ordered 15 pizzas for $97.50, what is the cost per pizza?

Back

$6.50 per pizza.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Aden uses 3 oranges for every 5 liters of punch, how many oranges are needed for 15 liters?

Back

9 oranges.

Front

Which is a better buy: a 12-pack of Pepsi for $3.50 or a 6-pack for $1.80?

Back

The 12-pack is a better buy.

Tags

CCSS.6.RP.A.3B

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Amount / Number of Units.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if two rates are equivalent?

Back

Two rates are equivalent if they represent the same relationship between quantities, meaning they simplify to the same unit rate.

Tags

CCSS.6.RP.A.3A

Front

How can you compare two different rates?

Back

To compare two different rates, convert them to unit rates and see which one has a higher or lower value.

Tags

CCSS.6.RP.A.3A