7th Math - Chapter 5 Review: Ratios & Proportions

Express the following ratio in simplest form:

20:45

• 10:22.5

• 4:9

• 40:90

• 5:9

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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.2

Write the ratio as a fraction in simplest form.

24 players : 3 teams

• 8:3

• 8 to 1

• 8/1

• 8/3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Write the ratio as a fraction in simplest form.

15 girls to 6 boys

• 5 to 2

• 5/3

• 3 to 5

• 5/2

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 4 triangles, 12 squares, and 6 circles.  What is the ratio of triangles to squares? Simplify.

• 12 : 4
• 2 to 6
• 1 : 3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

$279 for 9 concert tickets. Find the cost per ticket.

• $31

• $39

• $2,511

• $34

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CCSS.4.NBT.B.6

Ken can walk 40 dogs in 8 hours. Determine how many dogs he can walk in one hour.

• 5 hours per dog

• 5 dogs per hour

• 320 dogs per hour

• not here

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

A unit rate is a ratio in fraction form that has a _____________________________ of 1.

• numerator
• bottom number
• fraction
• denominator

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following is a UNIT RATE?

• 10 miles / 2 hours
• $6 for each hour
• 1 box / $3
• 15 pounds every 5 servings

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

You can buy 36 cookies for $4. What is the unit rate (in cookies per dollar)?

• 4 cookies per dollar
• 6 cookies per dollar
• 9 cookies per dollar
• 1/9 dollars per cookie

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CCSS.6.RP.A.1

CCSS.6.RP.A.2