Ratios and Proportions

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

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

What was Brian's unit rate?

• 3/2 word per minute
• 30 minutes per word
• 60 minutes per word
• 30 words per minute

Tags

CCSS.8.EE.B.5

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

Tags

CCSS.7.RP.A.1

Jada can read 3/5 of a book in 1/4 of an hour.  How long would it take her to read one whole book?

• 2 and 2/5 books per hour
• 2 and 2/5 hours per book
• 5/12 of an hour per book
• 5/12 of a book per hour

Tags

CCSS.7.RP.A.1

Henry can write 5 ¼  pages of his novel in 3 hours. How many pages does he write per hour?

• 15.25 pages per hour
• 15.75 pages per hour
• 1.75 pages per hour
• not here

Tags

CCSS.7.RP.A.1

How are rates and unit rates different?

• A rate has a denominator of 1.  A unit rate does not.
• A rate is just like a fraction.  A unit rate is a ratio.
• Rates involve a measurement of time, but unit rates do not.
• A rate compares two different quantities.  A unit rate has a denominator of 1.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

• 2:4
• 2:5
• 2:11
• 11:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 13 boys and 10 girls in the classroom.  What is the ratio of boys to girls?

• 10 to 13
• 23 to 13
• 13 to 10
• 23 to 10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion:

• 4
• 8
• 14
• 10

Tags

CCSS.7.RP.A.2B

Does this graph represent a proportional relationship?  

• No, because it doesn't pass through the origin.
• Yes, because it doesn't pass through the origin.
• Yes, because it intersects the y axis.
• No, because it intersects the x axis.

Tags

CCSS.7.RP.A.2D