Solving Problems with Unit Rate

Andre paid $13 for 3 books. Diego bought 12 books priced at the same rate. How much did Diego pay for the 12 books? Explain your reasoning.

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CCSS.6.RP.A.3B

A ​ (a)   is a type of ratio that compares quantities with different units of measure. Such as comparing miles and minutes or dollars and hours. A ​ (b)   is a comparison to ONE unit, such as miles per minute or dollars per hour. To solve any unit rate problem, you must determine the amount for 1.

• rate

• unit rate

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

A grocery store sells a bag of 4 oranges $3.00. What is the unit cost for each orange? Use a $ in your answer!

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Finding the unit rate can help determine the rate for any given value. One method is to scale down and then scale up.

Ratio Tables are helpful when solving unit rate word problems.

Whitney rode her bike 8 miles in 2 hours. At this same rate, what is the total number of miles Whitney could ride in 3 hours. Use the table and the unit rate to solve.

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CCSS.6.RP.A.3B

The ratio of stars to hearts is:

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Sandra types 350 words in 14 minutes. How many words can she type per minute?

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

A train travels 650 yards in 15 seconds. If the train travels at a constant rate, how many yards will the train travel per minute?

• 2,600 yards

• 9,750 yards

• 2,500 yards

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CCSS.6.RP.A.3B

Felicia raked leaves for 3 hours each night for 5 nights. She earned $210 for raking the leaves. Felicia wants to calculate her hourly rate. How much did Felicia earn per hour?

• $12

• $14

• $42

• $70

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Joe rode his skateboard 135 times in 15 weeks, riding the same amount of times each week. Tom rode his skateboard 98 times in 14 weeks. Which statement correctly compares the number of times per week they rode?

• Joe rode 2 more times per week than Tom.

• Tom rode 1 more time per week than Joe.

• Tom rode 2 more times per week than Joe.

• Joe rode 1 more time per week than Tom.

Tags

CCSS.6.RP.A.3B

Jeremy rode his bike 9 miles in 3 hours. At this same rate, what is the total number of miles Jeremy could ride in 4 hours?

• 6

• 9

• 12

• 15

Tags

CCSS.6.RP.A.3B