Proportions 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

If Justin ordered 5 ice cream bars for $12.25, how much was each ice cream bar? (Find the unit rate)

• $2.45

• $4.00

• $7.25

• $1.25

Hamburger sells at a rate of 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

(hint: find the unit rate per pound first)

• $30

• $20

• $60

• $10

What is the equation y=kx for the table?

(hint: find the constant of proportionality first)

• y=1/3x

• y=3x

• y=5x

• y=1/5x

Which equation matches the graph?

(hint: look at the unit rate)

• y = 8x

• y = 1x

• y = 3x

• y = 16x

The equation for the graph is y=2x.  Use the equation to find how long it would take the bug on the rug to travel 32 cm.

• 16 sec
• 18 sec
• 64 sec
• 68 sec

Tags

CCSS.8.EE.B.5

Does this graph represent a proportional relationship?

• Yes
• No

Tags

CCSS.7.RP.A.2D

What is the unit rate in this proportional relationship?

• 60 miles/1 hour
• 120 miles/ 2 hours
• 1 mile/ 1 hour

Tags

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Which graphs are proportional? Select all.

• A

• B

• C

• D

Tags

CCSS.7.RP.A.2D

It takes  $4\ \frac{1}{2}$  cups of sugar to make 3 cakes. How many cakes can 1 cup of sugar make? (hint: divide  $\frac{cake}{sugar}$  )

•  $\frac{6}{9}$  

•  $\frac{3}{2}$  

•  $\frac{1}{3}$  

•  $\frac{3}{10}$