Ratio, Unit Rate, and Proportion Review

_{Simplify the following ratio
8 :  12}

• 1 : 3
• 2 : 3
• 3 : 4
• 4 : 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Tommy has a bag of LEGOS. There are 6 yellow, 3 red, and 8 blue LEGOS. What is the ratio in simplest form of red to yellow LEGOS? (red:yellow)

(a)  

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of school apps to game apps?

• 5 to 2
• 3 to 5
• 5 to 10
• 5 to 3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Pencils are $4.00 for 10 pencils. What is the cost for 5 pencils?

Make a proportion to find the answer.

• $5.00 for five pencils

• $2.00 for five pencils

• $1.00 for five pencils

• $5.88 for five pencils

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

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Movie ticket sales are as follows:

Adult: 20 tickets for $250

Child: 15 tickets for $71.25

Senior: 5 tickets for $37.50

How much does one (1) ADULT ticket cost?

(a)  

Jaime can either buy a 8oz candy bar for $1.25, or a 12oz candy bar for $1.80. Which candy bar is a better deal?

• The 8oz candy bar

• The 12oz candy bar

The bottom number in a unit rate is always __________.

• 1

• 2

• money

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets? Write your ratio as dogs:ALL pets.

(a)  

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs. Find the number of cats. Use a proportion to help you solve it.

(a)