3 Ways to Write Ratios

What is a ratio?

• when the only factor of the numerator and denominator is one

• two decimals that can be multiplied

• a comparison of two quantities

• to multiply two fractions

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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 cookies

• 4 meatballs : 1 cup of sauce

• 25 students and 1 teacher

• 1 jar of sauce

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 18 boys and 7 girls in a class. Write the ratio of girls to boys.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

The 3 ways to write a ratio are

• read, write, demonstrate

• fraction, decimal, percent

• add, subtract, multiply

• the word to, a colon, and as a fraction

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Select the other ways to write the ratio $\frac{2}{3}$   

• 2 : 3 

• 3 to 2 

• 3 : 2 

• 2 to 3 

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of books to pens.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of Suns to Moons?

• 4 : 3

• 3 : 8

• 4 : 8

• 3 : 4

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of Stars to Moons?

• $\frac{8}{4}$

• $\frac{4}{8}$

• $\frac{8}{3}$

• $\frac{3}{4}$

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Beth went to a petting zoo with 23 animals. 11 were goats, 4 were sheep, and the rest were dogs. What is the ratio of sheep to goats?

• 11 to 4

•  $\frac{4}{11}$  

• 4 : 23 

• 11 to 23

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

How many ways are there to write a ratio?

• 2

• 4

• 1

• 3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2