Proportions and Ratios

Write the ratio as a fraction in simplest form.
15 girls to 6 boys    

• 5 to 2
• 5/3
• 3 to 5
• 5/2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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.6.RP.A.3A

Does the table represent a proportional relationship?

• Yes.
• No.

Tags

CCSS.7.RP.A.2A

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• n=6
• n=24
• n=7
• n=8

Tags

CCSS.7.RP.A.2B

Name the constant of proportionality.

• 20
• 40
• 16
• 35

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• p=31.3
• p=308
• p=924
• p=532

Tags

CCSS.7.RP.A.2C

Name the constant of proportionality.

• 8
• 16
• 6
• 3

Tags

CCSS.7.RP.A.2B

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

Tags

CCSS.7.RP.A.3