Unit 12 Math Review

Steven fed his dog some dog food out of three identical bags of dog food. The models are shaded to represent the part of each bag of dog food he used.

What fraction represents the dog food fed to Steven’s dogs?

• A. 4/8

• B. 12/3

• C. 1 4/8

• D. 1 2/8

Mrs. Jones was making a cake that required 2/3 tablespoon of salt. Which method shows a fraction equivalent to 2/3 tablespoon?

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Which statement about the fractions 3/9 and 5/15 is true?

• These fractions are both less than 1, because their numerators are greater than their denominators.

• These fractions are both greater than 1, because their denominators are greater than their numerators.

• These fractions are not equivalent because their denominators are not the same.

• These fractions are equivalent because their denominators are three times their numerators.

Which fraction is NOT equivalent to (2/5)? Choose TWO answers.

• 4/7

• 8/20

• 4/10

• 6/15

• 2/10

Daniel took a survey of the class to find out how they spent their weekend. He said 2/5 of the students in the class went to a local festival only on Saturday and 1/5 of the class went on Sunday. No class member went to the festival on both days. The model shows this. Which expression shows how to find the fraction of the class that went to the festival on either Saturday or Sunday?

• A. 2/5 - 1/5

• B. 5/5 - 1/5

• C. 2/5 + 1/5

• D. 5/5 - 3/5

Ian is testing out a new paper airplane model. It flew 8 and 5/100 meters. What decimal is equivalent to 8 and 5/100 meters?

Evette is making Gatorade for her children to take to the game. She poured 4/8 of the Gatorade into a container for them to use at the game. Which of the following fractions is more than 4/8?

• 6/10

• 1/3

• 4/9

• 2/4

What model represents 45/100 or 0.45?

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Priscilla poured 17.09 ounces of water into her water bottle. Which fraction represents the amount of water Priscilla poured?

• A) 17 9/10

• B) 17 90/100

• C) 9/17

• D) 17 9/100

A science class is growing lima beans in their school garden. Teams are comparing their success at keeping their plants alive for three weeks. Team A has kept 9/12 of their plants alive. Team B has kept 2/3 of their plants alive. Which comparison correctly compares their success in live plants?

• Team A is less than Team B because 9/12 < 2/3

• Team A is greater than Team B because 9/12 > 2/3

• Team A and Team B are equivalent because 9/12 = 2/3

• It is not possible to compare 9/12 and 2/3