Intro to Ratios

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

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A ratio can be written as all the ways below EXCEPT which one?

• 3=4
• 3:4
• 3/4
• 3 to 4

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CCSS.6.RP.A.1

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

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What is the ratio of triangles to squares?

• 2:6
• 5:6
• 3:4
• 4:3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 7 red balloons, 4 yellow balloons, and 5 green balloons. What type of ratio compares red balloons to green balloons?

• part to whole

• whole to part

• part to part

• whole to whole

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CCSS.6.RP.A.1

CCSS.6.RP.A.3

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.2

CCSS.6.RP.A.1

what is the ratio of seals to turtles?

• 5 : 3
• 3 to 5
• 3 of 5
• 3 : 8

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CCSS.6.RP.A.1

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what is the ratio of seals to animals

• 5 : 3
• 3 to 5
• 3 of 5
• 3 : 8

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CCSS.6.RP.A.1

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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

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What is the ratio of red circles to blue stars?

• 3:4
• 7/4
• 11/4
• 4 to 7

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CCSS.6.RP.A.1

CCSS.6.RP.A.2