Ratio and proportion

A 5-pound bag of cat food costs $11.25.  What is the unit price of the cat food in dollars per pound?

• $0.44 per pound
• $2.25 per pound
• $6.25 per pound
• $56.25 per pound

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Find the unit rate.

18 orders in 3 days = ________ orders per day

• 5

• 6

• 7

• 8

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

If Justin can type 408 words in 4 minutes, what is the unit rate of words to minutes?

• 102 words/1 minute

• 100 words/ 1 minute

• 400 words/ 1 minute

• 412 words/1 minute

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Name two ways that you can write a ratio:

• As a fraction

• As a decimal

• with a semi-colen

• with a square-root

• with it as a division-problem

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a classroom of 30 kids there are 18 girls and 12 boys. What is the ratio of girls to boys?

• 3:2

• 9:15

• 2:3

• 6:15

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

 Sam drove 220 miles on 8 gallons of gas. Find the unit rate.!

• 27.5 mpg
• 2.75 mpg
• 275 mpg
• 228 mpg

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following is NOT a unit rate?

• ^{2 cars}

  1 lane

• 45 miles per hour

• 27 sandwiches in 3 weeks

• 2 tanks of gas

  1 yard

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

A comparison of two quantities that can be written in three ways:

a to b, a:b, or a/b

(a)  

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

• 102 words per minute

• 100 words per minute

• 400 words per minute

• 412 words per minute

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a class of 10 boys and 14 girls the ratio of girls to boys is

• 10 : 14

• 1 : 2

• 7 : 5

• 5 : 7

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CCSS.6.RP.A.1

CCSS.6.RP.A.2