<p> Central Bucks School District Algebra 1A – 7th and 8th Grade: Skills Review Packet</p><p>Name ______Date______</p><p>Section A: Integers</p><p>Perform the operation.</p><p>1. −5 + 12 2. 9 + (−11) 3. −3 + 13 </p><p>4. −4 + (−16) 5. −3 + (−4) 6. 14 + (−5) </p><p>7. −10 + (−15) 8. −13 + 9 9. 18 + (−18) </p><p>10. −25 + (−9) 11. 5 − 8 12. −4 − 6 </p><p>13. −8 − (−3) 14. 10 – 7 15. −8 − 13 </p><p>16. 15 − (−2) 17. −9 − (−13) 18. −7 − (−8) </p><p>19. −6 − (−6) 20. −10 − 12 21. 8⋅ (−5) </p><p>22. −1⋅ (−12) 23. −5(10) 24. −13(0) </p><p>25. −9 ⋅ 9 26. 15(−2) 27. −10⋅ 11 </p><p>28. −6⋅ (−13) 29. 7(−14) 30. −11⋅ (−11)</p><p>31. −15/−5 32. 54/−9 33. −33 ÷ 11 </p><p>34. −49 ÷ (−7) 35. 0 ÷ (−2) 36. 60 ÷ (−6)</p><p>37. −56/14 38. 18/0 39. 65/−5</p><p>40. −84/-7</p><p>1 Central Bucks School District Algebra 1A – 7th and 8th Grade: MS Summer Review Packet</p><p>Section B: Fraction and Decimal Operations</p><p>Add, subtract, multiply, or divide. Show your work!</p><p>41. 42. </p><p>43. 44. </p><p>45. 46. </p><p>47. 48. </p><p>49. 50. </p><p>51. 52.</p><p>53. 112.5 + 24.52 54. 5.7 – 4.81 </p><p>55. 20 – 12.5 56. 3.02 5.2</p><p>57. (1.2)(1.3)(1.4) 58. 65.3 ÷ 10</p><p>59. 3.42/0.36</p><p>Section C: Percents Central Bucks School District Algebra 1A – 7th and 8th Grade: MS Summer Review Packet Complete the table with the missing values. Fraction Decimal Percent Exampl 0.5 50% e 60.</p><p>61. .45</p><p>62. 72%</p><p>63.</p><p>64. 1.2</p><p>65. 5%</p><p>66.</p><p>67. .8</p><p>68. 73%</p><p>69. .006</p><p>70. Of the students in your class, 12% are left-handed. What fraction of the students is left-handed?</p><p>71. You delete 1/8 of the messages in your email inbox. What percent of the messages did you delete?</p><p>72. You take a test that has 20 questions and you get 80% of the questions correct. How many questions did you get correct?</p><p>73. You buy $50 worth of clothes. The sales tax is 8%. How much sales tax do you pay?</p><p>74. You are buying a sweater that costs $54. It is on sale for 20% off the original price. What will be the sale price? </p><p>Use the formula, I = Prt, where I = interest, P = principal, r = rate (as a decimal), and t = time (in years) to answer the questions #75 and #76. Show your work. Central Bucks School District Algebra 1A – 7th and 8th Grade: MS Summer Review Packet 75. Calculate the amount of interest you would earn if you deposit $500 in a savings account that pays 6% interest over 10 years. </p><p>76. Calculate the amount of interest you would pay if you charge $200 on your credit card with 8.5% interest for 3 months. </p><p>Section D: Ordering Numbers </p><p>Order the numbers from least to greatest.</p><p>77. 7, -4, -11, 0, 8, -12 78. 0.5, , 0, 2, 20%, 0.22 </p><p>Section E: Order of Operations</p><p>Use the order of operations to evaluate the expression. Show all your work. </p><p>79. 42 ÷ 2 + 3(9 – 5) 80. [8 – (3 + 4 ÷ 2)] + 12</p><p>81. 82. 4(32 – 18) ÷ 2 </p><p>Section F: Scientific Notation</p><p>Write the number in standard form.</p><p>83. 1.32 × 104 84. 6.5 × 10-3</p><p>85. 5.80 × 107 86. 9.1 × 10-5 Central Bucks School District Algebra 1A – 7th and 8th Grade: MS Summer Review Packet Write the number in scientific notation.</p><p>87. 4,500 88. .00835</p><p>89. 4.7 90. 7,030,000 </p><p>91. .032</p><p>Section G: Ratios, Rates & Proportions</p><p>A ratio is a comparison of two quantities using division. ¾, 3 to 4, 3 : 4</p><p>A rate is a ratio of two quantities with A rate with a denominator of 1 is called different units. a unit rate. Example: 60 miles Example: 30 miles 2 hour 1 hour</p><p>Write the ratio as a fraction in simplest form. </p><p>92. 25 to 45 93. 63 : 28 94. 35 girls : 15 boys</p><p>95. 2 feet : 8 feet 96. 16 dogs to 12 cats 97. 51 correct : 9 incorrect</p><p>Find the unit rate. 98. 180 miles in 3 hours 99. 256 miles per 8 gallons 100. $9.60 for 4 pounds</p><p>101. The table shows nutritional information for three beverages.</p><p>A. Which has the most calories per fluid ounce?</p><p>B. Which has the least sodium per fluid ounce? </p><p>Solve the proportion. </p><p>102. 103.</p><p>104. 105. </p>