Ratios, Rates, & Unit Rates

What is a ratio?

• a comparison of two quantities

• a rate with a denominator of one

• when the only factor the numerator and denominator share is a one

• two decimals that can be multiplied

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 15 boys out of 23 students.  What kind of ratio is this?

• part to part
• part to whole

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which is NOT a ratio?

• a : b

• a and b

• a / b

• a to b

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Simplify the ratio of

35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 4 triangles, 12 squares, and 6 circles. What is the ratio of triangles to squares in simplest form?

• 12 : 4

• 2 to 6

• 1 : 3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 10 dimes, 8 quarters, and 5 nickels? What is the simplest form ratio of quarters to dimes?

• 10 to 8

• 8 : 23

• 4 : 5

• 5 to 4

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which rate is equivalent to 6 miles per gallon?

• 30 miles to 6 gallons
• 24 miles to 8 gallons
• 18 miles to 3 gallons

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CCSS.6.RP.A.3B

Solve the proportion:

• c = 4

• c = 8

• c = 14

• c = 10

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CCSS.7.RP.A.2B

Which rate is equivalent to $9 per hour?

• $27 in 3 hours
• $28 in 4 hours
• $33 in 3 hours

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CCSS.6.RP.A.2

CCSS.6.RP.A.3

My mother purchased 9 candy bars at the gas station for $13.50. What was the price per candy bar?

• $2.00 per candy bar

• $1.50 per candy bar

• $1.75 per candy bar

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2