Ratios and Unit Rates

What is a Ratio?

• Is a comparison of two quantities

• A rate with a denominator of one

• It is 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

Which ratio is written incorrectly?

• X : Y
• X and Y
• X/Y
• X to Y

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of red apples to green apples?

• 7 to 3

• 4 to 7

• 4 to 3

• 3 to 4

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of orange circles to blue circles?

• 2 : 3

• 3 : 5

• 3 : 2

• 2 : 5

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of blue triangles to red squares?

• 4:3

• 3:4

• 3:7

• 7:3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of green marbles to red marbles?

• 3 / 2

• 3 / 1

• 3 / 3

• 2 / 3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

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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

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

• $7 per hour
• $6 per hour
• $6.80 per hour
• $17.40 per hour

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

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CCSS.6.RP.A.1

CCSS.6.RP.A.2