Identifying Proportional Ratios

A recipe for oatmeal cookies calls for 2 cups of flour for every 3 cups of oatmeal. How much flour is needed for a batch of cookies that uses 9 cups of oatmeal? Set up the proportion.

Tags

CCSS.7.RP.A.2C

Which equation below is a proportion?

Tags

CCSS.7.RP.A.2A

Are the ratios proportional 2/3 and 10/15?

• yes

• no

Tags

CCSS.7.RP.A.2A

Arjun, Ava, and Mia are discussing examples of proportional relationships. Can you help them identify a correct example?

• The relationship between the number of hours worked and the amount of money spent is an example of a proportional relationship.

• The relationship between the number of hours studied and the grade earned on a test is an example of a proportional relationship.

• The relationship between the number of miles driven and the amount of gas consumed is an example of a proportional relationship.

• The relationship between the number of hours worked and the amount of money earned, assuming a constant hourly wage, is an example of a proportional relationship.

Tags

CCSS.7.RP.A.2D

Ethan, Priya, and Isla are having a debate about simplifying ratios. They came across the ratio 4:8. Can you help them simplify it?

• 2:4

• 3:6

• 5:10

• 1:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

During a friendly competition, Daniel, Benjamin, and Luna are trying to complete a ratio table for the equivalent ratios: 2:4, 3:6, __:12. Can you help them find the missing number in the ratio table?

• 24

• 4

• 8

• 10

If a car travels 200 miles in 4 hours, what is its rate?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Michael, Ava, and Luna are comparing their walking speeds. They want to know if their speeds are in a proportional relationship. True or False: In a proportional relationship, the ratio between the two quantities remains constant.

• Sometimes

• False

• True

• Depends on the situation

Tags

CCSS.7.RP.A.2A

Sophia, Aria, and Hannah are having a race. They need to cover a distance of 360 meters in 6 minutes. What is the unit rate they should maintain to complete the race on time?

• 60 meters per minute

• 30 meters per minute

• 120 meters per minute

• 10 meters per minute

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Mia, Daniel, and Oliver are on a road trip. They notice that their car travels 240 miles in 4 hours. They wonder, if they continue at the same speed, how long will it take them to travel 480 miles?

• 12 hours

• 16 hours

• 8 hours

• 2 hours

Tags

CCSS.6.RP.A.3B