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* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Quarter 2 Review Name: _____________________ Date: ____________ Use the following group of data to determine the mean, median, and mode. 15, 12, 4, 3, 8, 10, 6, 4, 9, 4 1. mean = _____ 2. median = _____ 3. mode = _____ 4. range: ____ Find the mode and outlier for the values shown in the line plot below: 5. X X X X X X X X 2 4 6 8 10 12 X 14 X X X X X X X X X 16 20 22 18 24 Use a factor tree to find the prime factorization of the following numbers: 6. 44 7. 285 Quarter 2 Review Find the LCM of each pair of numbers. 8. 8 and 10 _____ 9. 9 and 12 _____ Simplify each of the following. 10. 3 3 = ____ 11. 5 5 = ____ 3 5 2 4 69 12. 5 = ____ 6 98 13. 3 = ____ 9 Find the sum, difference, quotient, or product. Remember the RULES! 14. 14 + (-11) = ____ 15. -18 + 4 = ____ 16. -16 – -9 = ____ 17. -8 – 22 = ____ 18. -10(4) = ____ 19. -120 ÷ -12 = ____ 20. (-2)(-3)(5) = ______ 21. (6)(-1)(8) = ______ Write an algebraic expression for each phrase. 22. Seven more than a number x. _______________ 23. Three less than twice a number y. _______________ 24. 8 more than 3 times a number z. _______________ 25. Four plus a number g. _______________ Quarter 2 Review Identify which unit of measure, both metric and customary, is best for calculating the following. Metric Customary 26. paperclip _____________ ________________ 27. bottle of water _____________ ________________ 28. distance home _____________ ________________ 29. weight _____________ ________________ Use the following to change each measurement. 1 gallon = 4 quarts 1 quart = 2 pints 1 pint = 2 cups 1 liter = 1,000 milliliter 30. 9 pints = ______ cups 33. ______ L = 234 mL 31. 4 gallons = ______ quarts 34. 900,500 mL = _______ L 32. 30 cups = ______ gallons 35. 7.3 L = _______mL Determine whether the following ratios are proportional. 36. 10 38 ' 18 72 37. 6 15 ' 14 35 Quarter 2 Review Solve the following proportions. 38. 13 1 r 5 k 11 18 3 39. Write the following negative exponent as a fraction and decimal. 40. 10-4 ________________ 41. 10-6 ________________ Write the following in standard form. 42. 8.76 x 108 ____________________ 43. 2.143 x 10-4 ____________________ 44. 7.301 x 1010 ____________________ 45. 9.12 x 10-3 ____________________ Write the following in scientific notation. 46. 0.00000567 _______________________ 47. 613,000,000 _______________________ 48. 5,470,000 _______________________ 49. 0.00356 _______________________ Quarter 2 Review Match the type of graph with the correct type of data. 50. a. Bar Graphs __ Showing data in equal intervals b. Double Bar Graphs __ Comparing two sets of data c. Line Graphs __ Showing change over time d. Double Line Graphs __ Showing data that is part of a whole e. Histograms __ Making comparisons among data f. Circle Graphs __ Showing data that are multiples of a number g. Pictographs __ Comparing two sets of data over time Which of the following graphs are misleading? 51. Explain why the graph you choose is misleading. _______________________________________________________ _______________________________________________________ Quarter 2 Review 52. There are 300 students in the 7th grade. Mrs. Smith wants to survey a sample of students to determine the most popular T.V. show. How should she implement her survey to get the most accurate results? _____________________________________________________ _____________________________________________________ _____________________________________________________ Find the GCF of each of the following pairs of numbers. 53. 15 and 45 _____ 54. 12 and 60 _____ Classify the following numbers as rational or irrational. 55. 0.25252525… __________ 56. π ___________ 57. 0.1235256 __________ 58. 1 3 ___________ Simplify the expressions below. SHOW ALL OF YOUR WORK. 59. [6 (12 – 9)]2 + 5 60. [4(4 – 9)]2 + 3 2 Quarter 2 Review 61. Complete the function table and then graph the function. y = -3x + 2 x -3 -2 0 2 y (x, y) 8 7 6 5 4 3 2 1 -7 -6 -5 -4 -3 -2 -1 0 -1 -2 -3 -4 -4 -5 -6 -7 -8 1 2 3 4 5 6 7 Quarter 2 Review Solve and Check the following equations: 62. p + 21 = -38 63. 64. -7r = 84 65. y 5 8 z – 14 = -18 Simplify the following expressions. 66. 2x + 4y + 3 + 12x + 7 + 3z __________________________ 67. 5x + 8 + 9z + y + 6z + y __________________________