Unit Rates - EX (6.3.1-6.3.5)

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses 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 quantity of one item by the quantity of another item, ensuring the second quantity is 1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If 5 cups of dog food contain 1600 calories, how many calories are in 1 cup?

Back

320 calories (1600 calories ÷ 5 cups = 320 calories per cup).

Tags

CCSS.6.RP.A.3B

Front

How many calories are in 3 cups of dog food if 1 cup has 320 calories?

Back

960 calories (320 calories per cup × 3 cups = 960 calories).

Tags

CCSS.6.RP.A.3B

Front

What is the unit rate of earnings if Elijah earns $200 for 8 hours of work?

Back

$25 per hour ($200 ÷ 8 hours = $25 per hour).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

If a car travels 160 miles in 4 hours, what is the speed in miles per hour?

Back

40 miles per hour (160 miles ÷ 4 hours = 40 miles per hour).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

How far will a car travel in 7 hours at a speed of 40 miles per hour?

Back

280 miles (40 miles per hour × 7 hours = 280 miles).

Tags

CCSS.6.RP.A.3B

Front

What is the cost per ounce of a 16 oz orange juice container that costs $1.28?

Back

$0.08 per ounce ($1.28 ÷ 16 oz = $0.08 per ounce).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

Which container of orange juice costs the least per ounce: 16 oz for $1.28, 32 oz for $1.92, 64 oz for $2.56, or 96 oz for $2.88?

Back

96 oz for $2.88 (cost per ounce is $0.03).

Tags

CCSS.6.RP.A.3B

Front

If a cashier rings up 2 customers in 8 minutes, how many customers can he ring up in 32 minutes?

Back

8 customers (2 customers ÷ 8 minutes = 0.25 customers per minute; 0.25 customers per minute × 32 minutes = 8 customers).

Tags

CCSS.6.RP.A.3B