Ratio and Proportion 7th grade

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6/4

• 4/6

• 1/3

• 10/16

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

88 students for 4 classes

How many students per class?

• 22 students per class

• 22 classes per student

• 25 students per class

• 25 classes per student

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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

Which statement best describes what a ratio is.

• A number
• A comparison of two quantities using division.
• A comparison
• A comparison of many things.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

A class has 15 boys and 20 girls. What is the boy:girl ratio in simplest form?

• 4 to 5
• 10 to 13
• 3:4
• 3:5

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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.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

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Which is NOT equivalent to 3:5?

• 15:25
• 9:15
• 21:28
• 30:50

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CCSS.6.RP.A.1

CCSS.6.RP.A.3

What are the three ways to write a ratio

• 2;3 , 2 to 3 , 2\3
• 2:3 , 2 to 3 , 2/3
• 2:3 , 2 too 3 , 2/3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

If I have the following ratio, do I need to scale up or down?
1                 2
---  =         ----
3               ?

• up (multiply)
• down (divide)

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3