Proportions & Unit Rate

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1
• 1/6
• 18/3
• 3/18

Tags

CCSS.6.NS.A.1

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

88 students for 4 classes
How many students per class?

• 22 students per class
• 22 classes per student
• 25 students per class
• 25 classes per student

Which is NOT equivalent to 3:5?

• 15:25
• 9:15
• 21:28
• 30:50

On a map, if one centimeter represents 25 kilometers, how many kilometers does 7 centimeters represent?

• 175
• 185
• 200
• 220

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute
• 73 rotations per minute
• 18 rotations per minute
• 810 rotations in 10 minutes

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15
• c=18
• c=21
• c=16

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

• $30
• $20
• $60
• $10

Josh bought a pizza with eight slices of pizza for $12. What is the cost of a slice of pizza?

• $12
• $1.50
• $3
• $1