math review

Proportions

100

#35 p.62) Maureen bought 3 pairs of shoes that cost $37.98 each. If the tax rate is 8%, how much did Maureen pay?

A) $123.06 B) $114.02 C) $41.02 D) $14.25

What is A) $123.06

200

#36 p. 62) The Mulraney's home has 2,550 square feet of living space. A contractor is building an addition to their home that will increase the square footage by 8%. What will be the square footage of their home with the addition?

A) 2,040 sq. ft B) 2,558 sq ft C) 2,654 sq ft D) 2,574 sq ft

What is D) 2,574 sq ft

300

#50 p.69) Look at the graph. Which equation shows the relationship that is represented in the graph?

A) m=20n B) m=25n C) m=200n D) m=500n

What is A) m=20n

400

#52 p.70) Look at the graphs. Which graph shows a proportional relationship between x and y?

A) B) C) or D)?

What is B

500

#56 p.72) Will bought a package of 24 juice bottles for $7.44. Which equation relates the cost, c, of a package of juice bottles to the number of bottles, b, in the package?

A) c=0.31b B) c=3.10b C) c=3.23b D) c=7.44b

What is A) c=0.31b

Integers

100

#39 p.64) Which of the following situations could be represented by the expression -3 + 3 ?

A) Nancy owes $3 and then charges another $3

B) Jason pays $3 on the $3 he owes in fines.

C) There is a change in temperature from -3 F to 3 F

D) A toy car travels at a rate of 3 meters per minute for 3 minutes

What is B) Jason pays $3 on the $3 he owes in fines.

200

#41 p.65) The sum of four consecutive odd integers is 40. What is the greatest of the four numbers?

A) 15 B) 13 C) 9 D) 7

What is B) 13

300

#42 p.65) Which expression is equivalent to 14 - 9?

A) -14 + 9 B) -9 - 14 C) 9 - (-14) D) 14 + (-9)

What is D 14 + (-9)

400

#46 p.66) Mrs. Habib has 46.25 feet of border for a rectangular bulletin board in her classroom. The board is 3.75 feet tall and 8.3 feet wide. How much border will Mrs. Habib have left after she puts border around the board?

A) 12.3 feet B) 22.15 feet C) 31.125 feet D) 37.95 feet

What is B 22.15 feet

500

#51 p.69) What is (-4.8y + 20.1) - (12.7y + 9.3)?

A) -17.5y + 10.8 B) -15.3y - 22 C) 7.9y + 29.4 D) 17.5y + 10.8

What is A) -17.5y + 10.8

Percents,Ratios, and Fractions

100

#37 p.63) A bicycle normally sells for $237.99. It is now on sale for 25% off. As an employee, Baron is able to save an extra 10% off the sale price. How much, to the nearest dollar, would Baron need to pay for the bicycle?

A) $156 B) $162 C) $174 D) $205

What is B) $162

200

#43 p.65) A rectangle has a perimeter of 8s x 1/4 units. Which of the following could not be the dimensions of the rectangle?

A) 3s units long and s x 1/8 units wide

B) 2s units long and 2s x 1/8 units wide

C) 3s x 1/16 units long and s x 1/8 units wide

D) 2s x 1/16 units long and 2s x 1/16 units wide

What is C) 3s x 1/16 units long and s x 1/8 units wide

300

#44 p.66) What value of x makes this equation true? (look in book)

A) -3 B) -2 C) 2 D) 3

What is C) 2

400

#45 p.66) Patrick read 20 pages of his book in 4 hours. Todd read 25 pages in 5 hours. Did both boys read at the same rate?

A) No, because 25/4 > 20/5

B) NO, because 20/4 < 25/5

C) Yes, because 25/4 = 20/5

D) Yes, because 20/4 = 25/5

What is D) Yes, because 20/4 = 25/5

500

#59 p.73) A store is having a 20% off sale. Michael says that he can find the sale price of an item that has a regular price of p by evaluating the expression 0.8p. Susan says that she can find the sale price for the same item by evaluating the expression p - 0.2p. Who is correct?

A) Neither B) Michael C) Susan D) Both are correct

What is D) Both are correct

Equations and Inequalities

100

#48 p.68) A circular plate has a diameter of 9 inches. What is the area of the plate?

A) 12.56pi B) 16pi C) 20.25pi D) 81pi

What is C) 20.25 pi

200

#53 p.71) A butcher is dividing a round of beef into 3 equal sized roasts. If each roast weights 7.9 pounds, and there are 1.4 pounds of beef left over, how much did the round of beef weigh?

A) 19.5 B) 22.3 C) 25.1 D) 27.9

What is C) 25.1

300

#54 p.71) Ann opened a savings account with an initial deposit of $250. Which combination will result in a zero balance in Ann's account?

A) deposit $20 in the first week and withdraw $270 in the second week

B) deposit $270 in the first week and withdraw $20 in the second week

C) deposit $20 in the first week and withdraw $250 in the second week

D) deposit $250 in the first week and withdraw $20 in the second week

What is A) deposit $20 in the first week and withdraw $270 in the second week

400

#55 p.72) Look at table. How many cars with a mass greater than 2,000 kilograms passed through the toll booth?

A) 97,496 B) 65,055 C) 22,645 D) 14,648

What is C) 22,645

500

#57 p.73) Which expression is equivalent to -3(-6b+5)

A) -18b - 15 B) -6b - 15 C) 65 - 15 D) 18b - 15

What is D) 18b - 15

Probability/Statistics

100

#38 p.63) Look at chart. What is the mean daily high temperature over those seven days?

A) 6 B) 8 C) 11 D) 14

What is C) 11

200

#40 p.64) See list. Which is the best estimate of the number of times Amber would pull out a New York quarter if she pulled out a quarter another 300 times?

A) 60 B) 90 C) 120 D) 180

What is C) 120

300

#47 p.67) Look in book. Which spinner could be used to best model the type of vehicle that will cross the bridge next?

A) B) C) or D)

What is B) [Passenger 72%,light truck 15%, 13% heavy truck-I would have chosen D, I did not like the answer to this question]

400

#49 p.68) Allen surveyed the students in his social studies class to find how many hours of community service each had performed during the school year. The mean number of hours of hours was about 12. Which statement can Allen correctly make about the numbers of hours of community service the students in his entire school have performed?

A) More than half have performed at least 12 hours of community service.

B) More have performed 12 hours than any other number of hours of community service.

C) Half have performed less than 12 hours of community service

D) On average, each student performed 12 hours of community service.

What is D) On average, each student performed 12 hours of community service.

500

#61 p.74) Sakiya surveyed students in her school about their favorite sports. On Monday, she randomly surveyed 85 students in the cafeteria. On Tuesday, she surveyed 15 of her teammates on the school soccer team. Which statement best describes the samples Sakiya used?

A) Neither sample represents the school population.

B) Both samples likely represent the school population

C) The data gathered on Tuesday most likely represent the school population, but the data gathered on Monday most likely do not.

D) The data gathered on Monday most likely represent the school population, but the data gathered on Tuesday most likely do not.

What is D) The data gathered on Monday most likely represent the school population, but the data gathered on Tuesday most likely do not.