Ratios, Rates, and Unit Rates Quiz

If the ratio of boys to girls in a class is 3:5 and there are 24 students in the class, how many boys are there?

• 20

• 15

• 12

• 9

A recipe calls for 2 cups of flour and 3 cups of sugar. If you want to make half the recipe, how much flour do you need?

• 4 cups

• 1.5 cups

• 3 cups

• 1 cup

Tags

CCSS.6.NS.B.3

The ratio of red cars to blue cars in a parking lot is 4:7. If there are 28 blue cars, how many red cars are there?

• 16

• 25

• 20

• 10

A bag of marbles has a ratio of 5 blue marbles to 3 red marbles. If there are 40 blue marbles, how many red marbles are there?

• 32

• 15

• 24

• 10

If it takes 4 hours to drive 240 miles, what is the unit rate in miles per hour?

• 15 miles per hour

• 120 miles per hour

• 60 miles per hour

• 30 miles per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A car travels 300 miles on 15 gallons of gas. What is the unit rate of miles per gallon?

• 20 miles per gallon

• 25 miles per gallon

• 50 miles per gallon

• 10 miles per gallon

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If a pack of 8 juice boxes costs $3.60, what is the unit price per juice box?

• $0.45 per juice box

• $1.20 per juice box

• $0.25 per juice box

• $4.50 per juice box

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If it takes 2.5 hours to mow 5 lawns, what is the unit rate in lawns per hour?

• 5 lawns per hour

• 2 lawns per hour

• 3 lawns per hour

• 10 lawns per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How are ratios and rates related to each other?

• Ratios and rates are completely unrelated concepts

• Rates are always greater than ratios

• Ratios compare the same units while rates compare different units

• Rates are a type of ratio that compares two different units.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Explain the difference between a ratio and a rate.

• A ratio compares two quantities by addition, while a rate compares two quantities measured in the same units.

• A ratio compares two quantities in the same units, while a rate compares two quantities by subtraction.

• A ratio compares two quantities by division, while a rate compares two quantities measured in different units.

• A ratio compares two quantities measured in different units, while a rate compares two quantities by multiplication.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2