Understanding Ratios and Unit Rates

If the ratio of cats to dogs in a pet shop is 3:5, how many cats are there if there are 20 dogs?

• 8

• 12

• 15

• 18

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CCSS.6.RP.A.3

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A car travels 180 miles in 3 hours. What is the unit rate in miles per hour?

• 50 mph

• 55 mph

• 60 mph

• 65 mph

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CCSS.6.RP.A.3

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The ratio of boys to girls in a class is 4:3. If there are 28 girls, how many boys are there?

• 32

• 36

• 40

• 48

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CCSS.6.RP.A.3

CCSS.6.RP.A.1

A recipe requires 2 cups of sugar for every 5 cups of flour. How much sugar is needed for 15 cups of flour?

• 4 cups

• 5 cups

• 6 cups

• 7 cups

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CCSS.6.RP.A.3

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If a bicycle travels 45 miles in 3 hours, what is the unit rate in miles per hour?

• 12 mph

• 13 mph

• 14 mph

• 15 mph

Tags

CCSS.6.RP.A.3

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The ratio of apples to oranges in a basket is 7:4. If there are 28 apples, how many oranges are there?

• 12

• 14

• 16

• 18

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CCSS.6.RP.A.3

CCSS.6.RP.A.1

A train travels 300 miles in 5 hours. What is the unit rate in miles per hour?

• 50 mph

• 55 mph

• 60 mph

• 65 mph

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CCSS.6.RP.A.3

CCSS.6.RP.A.1

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If the ratio of red marbles to blue marbles is 5:9 and there are 45 blue marbles, how many red marbles are there?

• 20

• 25

• 30

• 35

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CCSS.6.RP.A.3

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CCSS.6.EE.B.7

A car uses 8 gallons of gas to travel 240 miles. What is the unit rate in miles per gallon?

• 25 mpg

• 28 mpg

• 30 mpg

• 32 mpg

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The ratio of pencils to erasers in a box is 3:2. If there are 18 pencils, how many erasers are there?

• 10

• 12

• 14

• 16

Tags

CCSS.6.RP.A.3

CCSS.6.RP.A.1