Ratios and Proportions!

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 one is a real life example of a RATIO?

• 12 noodles
• 4 meatballs : 1 cup of sauce
• 1 jar of sauce
• 15 desserts

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

• 6:5
• 5:6
• 6:11
• 6:11

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Tommy has a bag of LEGOS. There are 6 yellow, 3 red, and 8 blue LEGOS. What is the ratio in SIMPLEST FORM (Hint: REDUCE your FRACTION!) of red to yellow LEGOS?

• 1/2

• 6/3

• 2/1

• 3/6

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1
• 1/6
• 18/3
• 3/18

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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

A baseball team has 16 girls and 8 boys. What is the ratio of total players to boys? (Hint: Put in simplest form!)

• 24/8

• 24/16

• 3/1

• 16/8

Which represents the relationship of oranges to fruit?

• 2:6
• 2:4
• 4:6
• 4:2

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Ella has 5 balloons. Taylor has 7 balloons. Write the ratio of Ella's balloons to Taylor's balloons.

• 7:5
• 5:7
• 3:5
• 5:3

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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.3