Ratio and proportions

Elsa has 12 balloons. Tyler has 48 balloons.

Write the ratio of Elsa's balloons to Tyler's balloons.

• 4:1

• 1:4

• 1:5

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute
• 100 words per minute
• 400 words per minute
• 412 words per minute

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.NS.B.2

CCSS.6.RP.A.3

I paid $15.00 for 6 gallons of gasoline.

What was the price PER gallon?

• $0.40

• $9.00

• $2.50

A groceries store sees 120 customers in 8 hours.

What is the unit rate (in customers per hour)?

• 16 customers per hour

• 15 customers per hour

• 12 customers per hour

Wilson has 2 black, 3 red, and 5 white toy cars.

What is the ratio of red toy cars to all the toy cars?

• 3:5

• 1:3

• 3:10

Solve the proportion below

• 21
• 7
• 8
• 24

Tags

CCSS.7.RP.A.2B

What is a Ratio?

• Is a comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of these ratios is equivalent to 3:4?

• 12:9

• 9:20

• 9:12

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles.

What is the ratio of red to yellow?

• 2 to 5

• 5 to 3

• 5 to 2

A class has 30 students. 18 are boys.

What is the ratio of boys to girls?

• 12:18

• 3:2

• 30:18