Proportionality: Ratios and Rates

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1
• 1/6
• 18/3
• 3/18

88 students for 4 classes
How many students per class?

• 22 students per class
• 22 classes per student
• 25 students per class
• 25 classes per student

Which is NOT equivalent to 3:5?

• 15:25
• 9:15
• 21:28
• 30:50

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes
• 9 minutes
• 16 minutes
• 18 minutes

• 20 pencils
• 24 pencils
• 96 pencils
• 48 pencils

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

Kyle entered a pie eating contest.  He took 1/5 of a minute to eat 1/2 of a pie.  How many pies can Kyle eat per minute?

• 2 and 1/2 minutes per pie
• 2/5 of a minute per pie
• 2 and 1/2 pies per minute
• 2/5 of a pie per minute

Solve the proportion:

• 4
• 8
• 14
• 10

Do the ratios form a proportion?

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

Do the ratios form a proportion?

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