Ratio Notations

There are 7 pencils and 14 pens. What are the possible ratio notations for pens to pencils?

• 7:14, 7 to 14, 7/14, for every 7 pencils there are 14 pens

• 14:7, 14 to 7, 14/7, for every 14 pens there are 7 pencils

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 30 chairs for every 16 tables. Which notation shows the ratio of chairs to tables?

• 16 to 30

• 30:16

• 16 to 16

• 30 and 16

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 5 boys and 6 girls in a group. Which one of these does not represent a ratio notation?

• For every 5 boys there are 6 girls

• 5:6

• 5 to 6

• 5 out of 6

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 6 females and 8 males in the litter of puppies. What is the correct ratio notation for female puppies to the total puppies in the litter?

• 8:6

• 6:8 

• 6 and 8

• 6:14

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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

What is the correct ratio notation that represents the number of blue skittles to the number of green skittles in the picture?

• 6:3

• 3:6

• 6:6

• 9:3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 17 people in my family with blue eyes, 4 in my family with green eyes, and 1 with brown eyes. What is the correct ratio notation for the number of blue eyes to brown eyes to green eyes in my family?

• For every 17 people in my family with blues eyes there are 1 with brown and 4 with green

• 1 to 4 to 17

• 17:4:1

• 4/7

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 15 Packer fans and 21 Viking fans at the football party. What is the correct ratio notation for the number of Viking fans to the number of Packer fans?

• 15:21

• P:V

• 21 and 15

• 21/15

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the correct ratio notation for the total number of trucks to the number of red trucks?

• 2 to 6

• 2 to 8

• 8 to 2

• 6 to 2

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Looking at the table. What is not an example of a ratio of red paint to yellow paint?

• 1:3

• 3:1

• 4:12

• 3:9

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CCSS.6.RP.A.1

CCSS.6.RP.A.2