Rate & Unit Rate

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often expressed as a fraction. For example, speed is a rate that compares distance to time.

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. It tells you how much of one item corresponds to one unit of another item.

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 of the first quantity by the total amount of the second quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If you spend $40 on 5 pounds of concrete, what is the unit rate?

Back

$8 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

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

Back

$1.25 per pound.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

A dog eats 0.5 pounds of food every 50 minutes. How many pounds will the dog eat in 200 minutes?

Back

2 pounds.

Tags

CCSS.6.RP.A.3B

Front

It snowed 14 inches in 5 hours. What is the unit rate of snowfall?

Back

2.8 inches per hour.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the better buy: 3 pizzas for $33 or 7 pizzas for $75.25?

Back

7 pizzas for $75.25.

Tags

CCSS.6.RP.A.3B

Front

What is the formula for finding a unit rate?

Back

Unit Rate = Total Amount of First Quantity / Total Amount of Second Quantity.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean if a unit rate is higher?

Back

A higher unit rate indicates that you are paying more for each unit of the item.

Tags

CCSS.7.RP.A.1