Ratio and Proportion

Solve for the unknown in the equivalent ratios.
3/4 = 9/?

• 8
• 10
• 4
• 12

Tags

CCSS.6.RP.A.3A

In my fish tank, the ratio of red fish to blue fish is 3:5. There are 20 blue fish. How many red fish are there?

• 18
• 12
• 4
• 15

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

In two boats there are 108 people. How many people are there in each boat?

• 216
• 108
• 162
• 54

Tags

CCSS.3.OA.A.3

You travel 150 miles on 5 gallons. How far did you travel per gallon?

• 15 miles
• 30 miles
• 3 miles
• 25 miles

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion:

• 4
• 8
• 14
• 10

Tags

CCSS.7.RP.A.2B

Solve the proportion.

• 1
• 3
• 6
• 5

Tags

CCSS.7.RP.A.2B

Do the ratios form a proportion?

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

Tags

CCSS.6.RP.A.3A

About 13 out of 20 homes have a personal computer.  On a street with 60 homes, how many would you expect to have a personal computer?

• 7 homes
• 39 homes
• 73 homes 
• 40 homes

A shop produces 39 wetsuits every 2 weeks.  How long will it take the shop to produce 429 wetsuits?

• 18 wk
• 20 wk
• 22 wk
• 24 wk

Tags

CCSS.6.RP.A.3B

The waiting time to ride a roller coaster is 20 minutes when 150 people are in line.  How long is the waiting time when 240 people are in line?

• 90 min
• 30 min
• 32 min
• 30 min