Introduction to Ratios

James had 4 peaches, 5 apples, and 2 plums. What is the ratio of apples to plums?

• 5 to 2

• 2:5

• 4/5

• part to whole

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What word can be used when writing a ratio?

• a
• be
• to
• and

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What is a Ratio?

• It's a comparison of two things
• Multiplying two fractions 
• A number over another number
• Two decimals that can be multiplied

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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

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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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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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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

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There are 4 birds and 6 snakes. What is the ratio of birds to total animals in simplest form?

• 2/5

• 4/6

• 4/10

• 10/4

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CCSS.6.RP.A.1

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Amy plays basketball. Write the ratio of 12 baskets in 18 total attempts as a fraction in simplest form.

• 3 to 2

• 6 to 9

• 2:3

• 12/18

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CCSS.6.RP.A.1

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A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2 to 5

• 5 to 3

• 3 to 5

• 5 to 2

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CCSS.6.RP.A.1

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