Unit 4 Quiz 1 Pre-Algebra Rates Ratios Proportions

Simplify the ratio of
20 to 25

• 1 to 5
• 2 to 5
• 3 to 5
• 4 to 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Lynnette can wash 95 cars in 5 days. How many cars does she wash each day?

• 475 cars per day
• 19 cars per day
• .05 cars per day
• 15 cars per day

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

A rate is a ratio that compares 2 different_______________________________.

• people
• units/measurements
• fractions
• denominators

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

One real world example of when we use rates and unit rates is ______________________________________.

• miles per hour
• apples to oranges
• girls to boys
• teachers to students

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion:

• 4
• 8
• 14
• 10

Tags

CCSS.7.RP.A.2B

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

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

Solve the proportion.

• k=5
• k=45
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

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