Ratios, Unit Rates, Proportions

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

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CCSS.7.RP.A.2A

The cookie jar has six chocolate chip cookies and five oatmeal cookies. What is the ratio of oatmeal to chocolate chip cookies?

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a Ratio?

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

The table shows the cost of long distance calls based on the number of minutes used. Is there a constant rate of change (unit rate), and if so what is it?

• Yes, 10 calls per minute

• Yes, $.10 per minute

• Yes, $.40 per minute

• Not a constant rate

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CCSS.7.RP.A.2D

True or False. Option 1 has the best deal because it cost $0.50 per ear of corn.

• True

• False

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CCSS.6.RP.A.3B

A rate is a ratio.

• True

• False

• Not a clue.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

The pet store has 18 dogs toys for sale. 10 toys are frisbees and the rest are bones. What is the ratio of bones to frisbees in simplest form?

• 5/9

• 8/10

• 4/5

• 18/10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

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CCSS.7.RP.A.2B

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

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CCSS.6.RP.A.1

CCSS.6.RP.A.2