Writing Ratios & Identifying Equivalent 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

CCSS.6.RP.A.2

Equivalent means....

• very important
• one
• equal to
• to solve

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CCSS.4.NF.A.1

CCSS.5.NF.B.5B

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

Which represents the relationship of oranges to total number of fruit?

• 2:6

• 2:4

• 6:2

• 4/2

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

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

What is an equivalent ratio?

• Two or more ratios with the same values
• Two or more ratios that have different values
• Two or more ratios that equal 1
• Two or more ratios that have a denominator of 1

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CCSS.6.RP.A.1

CCSS.6.RP.A.3

Kelly has 10 apps on her iPad. 5 are school apps, 2 are music apps, and 3 are games. What is the ratio of school apps to game apps?

• 5 to 2
• 3 to 5
• 5 to 10
• 5 to 3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Are the ratios 2:1 and 18:9 equivalent?

• No

• Yes

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CCSS.6.RP.A.1

CCSS.6.RP.A.3

Are the ratios 10:20 and 1:2 equivalent?

• No

• Yes

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CCSS.6.RP.A.3A

Are the ratios 2/4 and 3/10 equivalent?

• No

• Yes

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CCSS.6.NS.A.1

CCSS.6.RP.A.3