Proportional Reasoning

Write the ratio as a fraction in simplest form.
15 girls to 6 boys   

• 5 to 2
• 5/3
• 3 to 5
• 5/2

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Write the ratio as a fraction in simplest form. 
 
 24 players : 3 teams

• 8:3
• 8 to 1
• 8/1
• 8/3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute
• 73 rotations per minute
• 18 rotations per minute
• 810 rotations in 10 minutes

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Find the Unit Rate.
72 ounces for 12 servings   

• 7 ounces per serving
• 144 ounces for 24 servings
• 6 ounces per serving
• 36 ounces for 6 servings

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35
• 60
• 18
• 50

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15
• c=18
• c=21
• c=16

How can we write a ratio?

• Using the word "to"
• Using a colon (:)
• As a fraction.
• All

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A unit rate is a ratio with:

• A denominator of 1
• A numerator of 1

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a proportion?

• Where 2 ratios are different.
• Where 2 ratios are simplified.
• Where 2 ratios are added.
• Where 2 ratios are equivalent.

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CCSS.6.RP.A.3A

Set up the ratio for
fries to burgers:
There are 3 burgers for 49 fries. 

• 3:49
• 3:52
• 52:49
• 49:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2