Module 9 & 10 Study Guide (Ratios/Rates/Conversions)

The ratio of red counters to blue counters is 3 : 1

What fraction of the counters are blue?

• ¹/₄

• ³/₄

• ¹/₃

• ³/₁

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

The ratio of green counters to blue counters is 4 : 5

What fraction of the counters are green?

• ⁵/₄

• ⁴/₅

• ⁴/₉

• ⁵/₉

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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

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

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

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? 

• 3:5
• 1:3
• 3:11
• 3:10

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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

CCSS.6.RP.A.3

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

8.  Find the unit rate of $97.50 for 15 pizzas.

• $6 per pizza
• $82.50 per pizza
• $5.50 per pizza
• $6.50 per pizza

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CCSS.6.RP.A.2

CCSS.6.RP.A.3

An eight pack of juice boxes costs $4.79, and a 12 pack of juice boxes cost $6.59. Use this information to calculate the better buy.

• 8 pack
• 12 pack

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CCSS.6.RP.A.3B