Proportional Relationships and Unit Rate

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

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A unit rate is a rate in which the unit in the denominator is:

• 0

• 3

• 1

• 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How do you find the constant rate, or the constant of proportionality?

• k = t + x

• k = x/y

• y = k - x

• k = y/x

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• k=5

• k=45

• k=60

• k=90

Tags

CCSS.7.RP.A.2B

Imani compared the number of fluid ounces per bottle of sunscreen to the cost of four different brands of sunscreen. The information she gathered is shown in the table. Based on the data in the table, brand ​ (a)   of sunscreen has the greatest cost per fluid ounce.

• x

• w

• y

• z

Tags

CCSS.6.RP.A.3B

In a proportional relationship, the unit rate is called a

• ratio

• constant of proportionality

• graph

Tags

CCSS.7.RP.A.2B

Calculate the unit rate: If a cyclist travels 120 miles in 4 hours, what is the speed in miles per hour?

• 25 mph

• 30 mph

• 35 mph

• 40 mph

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

• A
• B
• C
• D

Tags

CCSS.6.RP.A.3B

Unit rate is defined as . . . 

• a comparison of two measurements; the second measurement has a value of one

• a comparison of any two measurements

• something to do with ratios

• cost of something

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

?

Mathematical Equivalence

ON

Tags

CCSS.6.NS.B.3