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2 nd semester Exam review

2 nd semester Exam review. MJ 2. 1 . Tamika used a circle graph to display the time allotted for different parts of her 8-hour school day. What percentage of Tamika’s day is spent at lunch?.

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2 nd semester Exam review

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  1. 2nd semester Exam review MJ 2

  2. 1. Tamika used a circle graph to display the time allotted for different parts of her 8-hour school day. What percentage of Tamika’s day is spent at lunch?

  3. 2. The circle graph shows the distribution of U.S. population by age. If there are approximately 305,000,000 people, about how many are under the age of five?

  4. 3. In a survey of 500 registered voters, 210 say they plan to vote for candidate A, 175 plan to vote for candidate B, 104 will vote for candidate C, and 11 are undecided. Monica plans to make a circle graph of the results of the survey. How many degrees should she put in the section for those who plan to vote for candidate A? 360° in a circle

  5. MILE RUN TIMES Leaf Stem KEY 5|5 = 5.5 mins 5 6 7 8 9 10 11 5 2 5 2 5 0 4 2 5 5 4. The P.E. students were timed to determine how fast they could run one mile. Their times are shown on the stem-and-leaf plot below. What is the median mile time? Middle value when numbers are ordered from least to greatest. 5.5, 7.2, 7.5, 8.2, 8.5, 9.0, 9.4, 10.2, 10.5, 11.5

  6. Leaf MATH TEST SCORES Stem 6 7 8 9 10 8 2 3 4 0 0 3 0 2 0 KEY 6 |8 = 68% • 5. The stem-and-leaf plot shows math test scores for Mr. Parker’s class. What is the mode score? MODE: number that occurs most often

  7. 6. Mr. & Mrs. Davis operate a farm market to sell their vegetables and plants. The histogram shows the average number of customers they receive per day, as indicated by two-hour intervals. What percent of an average day’s customers arrive at the farm market between 7:00 and 8:59 am?

  8. Total # of customers = 15 + 20 + 10 + 15 = 60

  9. 7. Amanda works as a summer camp student counselor. She recorded the number of campers by age interval for this year’s camp. Which of the following displays best suits as a representation of this information? Circle graph shows data as parts of a whole. Stem-and-Leaf Plot shows all individual values. Histogram displays data that is organized into equal intervals. Bar Graph shows individual frequencies.

  10. 8. Mary has $2 in quarters and $2 in nickels in her pocket. If she randomly selects one coin out of her pocket, what is the probability that it is a nickel? $1 in quarters = 4 quarters $2 in quarters = 8 quarters $1 in nickels = 20 nickels $2 in nickels = 40 nickels total of 48 coins

  11. 9. Ivan has a number cube with sides labeled. If he rolls the cube one time, what is the probability that the outcome will be a multiple of five? possible outcomes: 1, 2, 3, 4, 5, 6 5 is the only multiple of 5

  12. 10. Brittney has 4 sweaters, 5 blouses, and 7 pairs of pants. What is the total number of different outfit combinations that Brittney can choose from?

  13. 11. Chad has $1 in quarters, $1 in dimes, and $1 in nickels in his piggy bank. He randomly selects three coins without replacement. Which of the following can be used to calculate • the probability of choosing 3 quarters in a row? $1 in quarters = 4 quarters $1 in dimes = 10 dimes total of 34 coins $1 in nickels = 20 nickels 1st draw 2nd draw 3d draw

  14. 12. A bakery offers blueberry, banana-nut, or chocolate-chip muffins with your choice of apple juice or orange juice for $2.59 every Monday. What are the total number of • possible muffin-drink combinations available to choose from on Mondays? Blueberry Banana-Nut Chocolate-Chip Blueberry & Apple Banana-Nut & Apple Chocolate-Chip & Apple Blueberry & Orange Banana-Nut & Orange Chocolate-Chip & Orange Apple juice Orange juice

  15. 9 cm 7 cm 13. Find the volume of the square pyramid.

  16. 14. What is the volume of a rectangular prism with dimensions of 12 ft by 4 ft by 5 ft?

  17. 15. What is the volume of the triangular prism? 15 m area of the triangular base height of the prism 8 m 12 m

  18. 16. What is the volume of the cylinder?

  19. 17. What is the volume of a cone that has a base diameter of 18 cm and a height of 27 cm?

  20. 18. To determine the most popular rod and reel, a hunting and fishing magazine included a questionnaire in the last issue and requested subscribers to respond. Which of the following best describes the sample? biased, voluntary response sample unbiased, systematic random sample unbiased, simple random sample unbiased, stratified random sample

  21. 19. What is the approximate volume of a cone-shaped party hat with a base radius of 3 inches and height of 7 inches?

  22. 20. What is the surface area of a rectangular prism with dimensions 8.2 inches by 4 inches by 6.1 inches?

  23. 21. What is the surface area of the triangular prism?

  24. 22. What is the surface area of the cylinder?

  25. 23. Stacy is making gift boxes in the shape of square pyramids for her party. They have a slant height of 6 inches and base edges 2.5 inches long. What is the surface area of one gift box?

  26. 24. What is the surface area of a square pyramid that has a slant height of 8 cm and a base length of 5 cm?

  27. 9 cm 10 cm 8 cm 25. Terry made a castle turret for his sister out of scrap cardboard. He glued together a cylinder and a cone with equal diameters. What is the volume of the combined figure?

  28. 9 cm 10 cm 8 cm 8038.4 cm3 2500 cm3 720 cm3 2612.48 cm3

  29. 26. Paul made a mailbox for his classroom. It was in the shape of a rectangular prism topped by a triangular prism. The dimensions are shown. What is the volume of the combined figure?

  30. 27. A waiter at a steak restaurant in Neptune Beach serves a table of 5 people. Each person at the table orders a 12-ounce steak. How many pounds of steak will be delivered to the table?

  31. 28. Sam needs 3 quarts of broth for a soup recipe. How many pints of broth will he need? 29. Jill’s yard has a perimeter of 164 feet. If his dog runs around the yard 20 times, what part of a mile has the dog run? Round your answer to the nearest tenth.

  32. 30. A recipe calls for 0.85 kilograms of flour. How many grams is that? 31. The world’s largest bird is an ostrich, which can weigh as much as 156.5 kilograms. What is the approximate weight in pounds? Round your answer to the nearest whole number.

  33. 32. How many lines of symmetry are in the square?

  34. 33. How many lines of symmetry are in the figure? 34. Which of the following best describes the transformation of these figures?

  35. 35. The surface area of a cube is 550 square millimeters. What is the surface area of a similar cube that is larger by a scale factor of 3.5? If solid X is similar to solid Y by a scale factor, then the surface area of X is equal to the surface area of Y times the square of the scale factor.

  36. 36. A cone has a volume of 7200 cubic millimeters. What is the volume of a similar cone whose dimensions are  the size? If solid X is similar to solid Y by a scale factor, then the volume of X is equal to the volume of Y times the cube of the scale factor.

  37. 37. A kitchen floor has an area of 30 square meters. What is the area in square centimeters? 1 meter 100 cm 100 cm 1 meter

  38. 38. What is the total number of outcomes for tossing a nickel and tossing a quarter? Tossing a nickel has 2 possible outcomes – heads and tails. Tossing a quarter has 2 possible outcomes – heads and tails. Total number of outcomes for tossing a nickel and a quarter = 2  2 or 4 outcomes. NH, QH; NH, QT; NT, QH; NT, QT

  39. 39. During lunch at Urbana Middle School today, several students have brought their lunch from home and several students are ordering a school lunch as shown in the table. Suppose one student is randomly selected during lunch time. What is the probability that the student orders school lunch? Total number of students = 100 Number of students ordering school lunch = 45

  40. 40. A fair spinner has 10 equal sections. Four sections are blue, three sections are red, two sections are yellow, and one section is black. What is the probability of spinning a color other than black on one fair spin? Nine of the sections are a color other than black. P(not black) =

  41. 41. Emily has 3 single, 2 triples, 2 strike outs, 1 homerun, and 2 walks in last week’s tournament. If you chose an “at bat” at random, which is true? P(single) = P(triple) = P(strike out) = P(homerun) = P(walk) = Choosing walks or singles are equally likely outcomes. There are 5 likely outcomes. It is mostlikelythat a single would be picked. It is leastlikely that a single would be picked.

  42. 42.  of the people own cars that are blue and  of the people have brown eyes. What is the probability that a person selected at random has a blue car and brown eyes?

  43. 43. The volume of a rectangular prism resting on a square base is 250 cubic feet. What is the height of the prism if one side of the base is 5 feet?

  44. 44. Eddy goes for his morning jog for a distance of 2 miles. What was the distance of Eddy’s jog when measured in feet? 1320 1

  45. 45. What is the measure of x? Total number of degrees in the polygon:

  46. 46. What is the measure of x? Total number of degrees in the polygon:

  47. 47. When a figure is reflected over the y-axis the y-coordinate of the image is the same, while the x-coordinate is multiplied by what number?

  48. 48. Which of the following best describes the transformation between these figures?

  49. 49. Which name best describes the quadrilateral?

  50. 50. Which figure shows the shape below having a rotation of 270 clockwise?

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