Rate 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 cost (dollars 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 a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 120 customers in 6 hours, divide 120 by 6 to find the unit rate.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a store has 120 customers in 6 hours, what is the unit rate in customers per hour?

Back

20 customers per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

Back

102 words per minute.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the formula to find the unit price of an item?

Back

Unit Price = Total Price / Number of Units.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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

Back

The 12-pack is the better buy.

Tags

CCSS.6.RP.A.3B

Front

If Will spent $3.75 for 3 pounds of granola, what is his unit rate in dollars per pound?

Back

$1.25 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Back

$8 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the importance of understanding unit rates?

Back

Understanding unit rates helps consumers make informed decisions about purchases and compare prices effectively.

Tags

CCSS.6.RP.A.3B