Ratios, Rates, and Unit Rates Review

A ratio is a comparison between two quantities. When writing ratios, order matters!! Like fractions, ratios can be simplified.

The ratio of hearts to stars is:

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The ratio of stars to hearts is:

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The ratio of hearts to total shapes is:

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The ratio of stars to total shapes is:

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Last season the girls' volleyball team had 5 seventh grade students and 4 sixth grade students. What is the ratio of sixth grade students to seventh grade students on the volleyball team?

• 4:5

• 4:9

• 5:4

• 5:9

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Oliver spent last night studying for some of his upcoming tests. He spent 15 minutes studying Science, 20 minutes studying Math, and 10 minutes studying Social Studies. What was the ratio of the number of minutes he spent studying Science to the total number of minutes he spent studying last night?

• 2:9

• 1:3

• 1:2

• 3:4

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CCSS.6.RP.A.1

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Peter used 4 red beads and 12 blue beads to make a bracelet. What was the ratio of the number of red beads to the number of blue beads used to make the bracelet?

• 1:4

• 1:6

• 1:3

• 1:12

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Stacy attempted 18 baskets during a basketball game. She made 12 of the attempted baskets. Which ratio describes the number of baskets Stacy made to the number she attempted?

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A ​ (a)   is a type of ratio that compares quantities with different units of measure. Such as comparing miles and minutes or dollars and hours. A ​ (b)   is a comparison to ONE unit, such as miles per minute or dollars per hour. To solve any unit rate problem, you must determine the amount for 1.

• rate
• unit rate

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A grocery store sells a bag of 4 oranges $3.00. What is the unit cost for each orange? Use a $ in your answer!

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