Quiz on Ratios and Unit Rate on Tables

Jennifer earned $54 when she sold 9 cheesecakes. If this represents a proportional relationship, what is the unit rate of money earned for one cheesecake?

• to 9

• to 1

• to 6

• to 1

A grocery store has a sign that reads “4 bananas for $1.00”. What is the unit rate for just one banana?

• 1 to $0.75

• 1 to $0.50

• $0.25 to 1

• $1 to 0.25

Which of the following represents a proportional relationship?

• A pool started with 2 feet of water and then was filled at a rate of 14 inches per hour

• A pool started with 8 inches of water and was filled at a rate of 14 inches per hour

• A pool was filled at a rate of 14 inches per hour for one hour, then at a rate of 16 inches per hour until full

• An empty pool was filled at a rate of 14 inches per hour

Which situation might be modeled by the table shown?

• Saniyah can make 3 friendship bracelets per hour.

• Marla works for 8 hours and makes 36 bracelets.

• Carson is making bracelets to sell. After 3 hours, he made 10 bracelets.

• Tasha worked for 6 hours and made 30 bracelets.

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Mr. Wright has 7 boys and 9 girls. What is the ratio of girls to boys?

• 7 to 9

• 9 to 7

Your brother has a bag of marbles.  He has 8 green marbles, 3 blue marbles, 7 red marbles, and 2 yellow marbles.  What is the ratio of blue marbles to red marbles?

• 3 to 8

• 3 : 7

• 2 to 7

• 2 : 3

Which rate is equivalent to $9 per hour?

• $27 in 3 hours

• $28 in 4 hours

• $33 in 3 hours

An eight pack of juice boxes costs $4.79, and a 12 pack of juice boxes cost $6.59. Use this information to calculate the better buy.

• 8 pack

• 12 pack

Kelly has 10 apps on her iPad.
5 are school apps, 2 are music apps, and 3 are games.
What is the ratio of school apps to game apps?

• 5 to 2

• 3 to 5

• 5 to 10

• 5 to 3