Proportionality Review

Dak and Ezekiel's breakfast cost $40. They want to leave a 25% tip for their waitress. Use the model below to determine the amount of the tip.What is the amount of the tip they will leave for their waiter?

• $62.50

• $6.25

• $10

• $160

Tags

CCSS.6.RP.A.3C

Chef Christopher M. is making chicken pot pies. He recorded the equivalent weights in pounds and ounces of four chicken pot pies as shown in the table above.

Based on the information in the table, which proportion can be used to convert 30 ounces to pounds?

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Tags

CCSS.7.RP.A.3

A Dallas club soccer team lost 26.5% of their games last season. Which of the following shows a fraction and a decimal equivalent to 26.5%?

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  $\frac{26.5}{100}$ and 26.5

• $\frac{265}{10,000}$ and 0.265

• $\frac{265}{1,000}$ and 0.265

• $\frac{265}{100}$ and 2.65

Tags

CCSS.4.NF.C.6

Anjelica surveyed her teachers and learned that 4 out of 20 have children at home. She used colored counters to represent her survey results. Which model represents how Anjelica could use the colored counters to determine the percentage of her teachers who have children at home?

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In one hour, Xavier can sew 49 yards of material. Which proportion can be used to determine y, the number of yards Xavier could sew in 34 minutes?(From small group)

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Tags

CCSS.7.RP.A.3

Which of the following is an equivalent rate to flying 5.2 meters in 36.4 seconds?

• A Running 10.9 meters in 22.7 seconds

• B Running 3.7 meters in 40 seconds

• C Running 1.5 meters in 10.5 seconds

• D Running 2 meters in 0.42 seconds

Tags

CCSS.6.RP.A.3A

According to a survey conducted by Texas Surveying, 150 out of 400 people do not have cable in their homes. What percent of the people surveyed do not have cable in their homes?

• 20%

• 50%

• 12.5%

• 37.5%

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Tags

CCSS.6.NS.B.3

At Adolfo’s school, the ratio of students who love dogs to cats is to 5 to 7. At Mario’s school, the ratio of those who love dogs to cats is 19 to 28. If both schools have the same total number of students, which statement about the number of people who love dogs at Adolfo’s and Mario’s schools is true?

• There are more people who love dogs at Adolfo’s school than at Mario’s school because the ratio 19 to 28 is greater than the ratio 5 to 7.

• There are more people who love dogs at Mario’s school than at Adolfo’s school because the ratio 19 to 28 is greater than the ratio 5 to 7.

• There are more people who love dogs at Mario’s school than at Adolfo’s school because the ratio 5 to 7 is greater than the ratio 19 to 28.

• There are more people who love dogs at Adolfo’s school than at Mario’s school because the ratio 5 to 7 is greater than the ratio 19 to 28.

Tags

CCSS.6.RP.A.3A

Which model does not represent 25% of the shapes shaded?

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Tags

CCSS.3.G.A.2