Proportionality and Percents

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Do the ratios form a proportion?

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

Tags

CCSS.7.RP.A.2A

Does the table represent a proportional relationship?  (Are all of these ratios equivalent?)

• Yes.
• No.

Tags

CCSS.7.RP.A.2A

Does the table represent a proportional relationship? (Are all of these ratios equivalent?)

• Yes.
• No.

Tags

CCSS.7.RP.A.2A

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

Tags

CCSS.6.RP.A.3B

7 out of 10 women prefer Brand A moisturiser and the other 3 prefer Brand B. Choose how this should be written as a ratio of Brand A to Brand B.

• 7:3
• 07:10
• 03:10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following is an equivalent fraction to 5/6?

• 9/12
• 10/12
• 8/12
• 14/18

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is 20% of 45?

• 9
• 44.44
• 225
• 12

Tags

CCSS.6.RP.A.3C