Mathematics Grade 7 Spring Break Packet

Transcription

1 . Billy works part time at a grocery store after school. He earns $7.50 for each hour he works. Which of the following tables represents a direct variation between his time worked and his wages? A. B. C. D. Time 3 4 Wages Time 3 4 Wages Time 3 4 Wages Time 3 4 Wages As a plane descends for a landing, the air speed decreases at a constant rate. Which of the following represents the speed of the plane to the height of the plane? F. G. Height 8,000 7,000 6,000 3,000 Height 3,000 3,500 4,000 4,500 H. Height 8,000 4,000,000,500 I. Height 8,000 7,000 6,000 5, An architect has a set of blueprints that shows a scale factor of inch feet. If the blue prints show the length of a kitchen in a house to be 5 inches, what is the measurement of the length of the actual kitchen? A. 5 feet B. 7.5 feet C. 0 feet D. 0 feet

2 4. Mark and Debbie drove 65 miles from West Palm Beach to Orlando, FL in hours and 45 minutes. What was their average speed, in miles per hour? 7. In 008, the Florida Marlins average attendance was 5,500. In 009, the average attendance increased to 8,000. What was the percent of increase in the attendance to the Marlins games? Round your answer to the nearest tenth of a percent. A. 500% B. 6.% C. 3.9% D..% 5. What is the value of the expression6 6? 8. Dari is enlarging a rectangular picture from her Navy graduation. The picture is shown below. Dari wants the new picture to be similar to the original. If she increases the length to 7.5 inches, what is the new height of the picture? F. 3.5 inches G. 4.5 inches H. 8 inches I..5 inches 6. A microscope slide shows 45 red blood cells out of 75 blood cells. How many red blood cells would be expected in a sample of the same blood that has 450 cells? A. 45 B. 70 C. 300 D The slope of the line in the graph below can be described as A. positive B. negative B. zero D. undefined

3 0. Schools are required, under the Federal Disabilities Act, to provide ramps on all campuses. The graph below represents a ramp.. Carlos is flying a kite that is 45 feet above the ground. A bird is flying feet above the kite. How high off the ground is the bird in feet? A. B. 33 What is the slope of the ramp? F. 5 G. 4 H. I. 5. Which of the following represents the method for finding the value of 3 6 4? C. 45 D Solve: x A. B. C. 4. Which is equivalent to ( x 4)3 8? A. 6x 8 D. B. 5x 4 8 C. 6x 4 8 D. 6x 8

4 5. Write 5 as a decimal. 9 F For a school math project, Sharron created a replica of a famous building in New York as shown below. What is the volume of her model? G H I Michee needs to find the volume of a steel drum container that is in the shape of a right circular cylinder as shown below. A. cubic inches B. 36 cubic inches C. 48 cubic inches D. 7 cubic inches What is the volume of the cylinder in terms of pi? F. 4 cubic feet G. 6 cubic feet 8. The perimeter of a rectangle is cm. If the base of the rectangle is 4 cm, what will be the perimeter of a second rectangle that has a base of 4 cm and a height 3 times the height of the first rectangle? H. 6 cubic feet I. 3 cubic feet

5 9. If point M is translated 3 units to the right and units up, what will be the coordinates of Point M in its new position?. Erik has a baseball bat that measures 3 feet in length. What is the length, in inches, of his bat? A. ( 0, ) B. (, 3) C. ( 0, ) D. ( 4, ) 0. Which point is located at ( 5, 0)? A. W B. X C. Y D. Z

6 . The Putt-Putt miniature golf course has golf balls as listed below: 6 red golf balls each labeled with a different number to 6. 8 green golf balls each labeled with a different number to A gumball machine contains 5 white gumballs, 8 orange gumballs, 7 red gumballs, 3 orange gumballs, 6 green gumballs, 3 blue gumballs, and 8 pink gumballs. Judy puts a quarter into the gumball machine. What is the probability that she will receive a pink gumball? 0 orange golf balls each labeled with a different number to 0. If the attendant randomly hands out golf balls to the players, which of the following outcomes is most likely to occur? A. 4 A. The first golf ball handed out will be red. B. The first golf ball handed out will not be red. C. The first golf ball handed out will have the number 6 on it. D. The first golf ball handed out will not have the number 4 on it. B. C. D The principal at Dolphin Middle School wants to find out what sports to offer next school year. Which of the following survey groups would give the principal a biased conclusion? F. The principal selects one math classroom to survey. G. The principal randomly selects 00 students during lunch to participate in the survey. H. The principal makes an announcement for any interested students to come to the main office and complete the survey. I. The principal mails 300 surveys to randomly selected students to complete and return to school.

7 5. Dan s Pizza stand sold 5 pizzas yesterday. He created a circle graph to show what the percent of toppings ordered as shown below. How many pizzas were made with pepperoni?