1. 8 th Grade Ciphering

2. Sample Evaluate 10.1 × 5.3

4. Sample Answer 53.53

6. 1-1 Solve 0.4x = 2x + 1.2

8. 1-1 Answer

9. 1-2 Find the value.

11. 1-2 Answer 0

12. 1-3 Solve. Express answer as decimal.

14. 1-3 Answer 1.1025

15. 1-4 Simplify the expression.

17. 1-4 Answer

18. 1-5

20. 1-5 Answer

21. Extra 1 Solve. The quotient of a number and -3 is greater than the quotient of 5 and 6.

23. Extra Answer

25. 2-1 The ratio of Mike’s age to his brother John’s age is 2:3. In ten years, the ratio will be 4:5. How old is Mike?

27. 2-1 Answer 10

28. 2-2

30. 2-2 Answer

31. 2-3

33. 2-3 Answer 550%

34. 2-4 If f(x) = 4x – 3 and g(x) = 8x + 2 find f [g(-8)]

36. 2-4 Answer -251

37. 2-5 Write an equation in slope-intercept form for the line that passes through the points (-1,2) and (5, -10).

39. 2-5 Answer y = -2x

40. Extra 2 The area of a rectangle is 432 cm² and the length is 36 cm. What is the width?

42. Extra 2 Answer 12 cm

43. 3 rd Cipherer

44. 3-1 Solve the system of equations. x + 4y = 33 y = -3x

46. 3-1 Answer (-3, 9)

47. 3-2

49. 3-2 Answer 19%

50. 3-3 Find the LCM between 18xy² and 10y

52. 3-3 Answer 90xy²

53. 3-4

55. 3-4 Answer

56. 3-5 Find the area of a triangle with a base of 12 feet and a height of 4.4 feet.

58. 3-5 Answer 26.4 ft²

59. Extra 3 Roberto wants to buy a new ski jacket that costs $96. If the total cost, including tax, is $101.28, what is the percent of sales tax?

61. Extra 3 Answer 5.5%

62. 4 th Cipherer

63. 4-1

65. 4-1 Answer 153.86

66. 4-2 Evaluate if a = 3, b = 5, and c = 4. 4(2a - c³)²

68. 4-2 Answer 13, 456

69. 4-3 Shane’s bowling scores in five games were 124, 135, 109, 116, and 141. If the mean of Shane’s scores after the sixth game is 130, what was his score for the sixth game?

71. 4-3 Answer 155

72. 4-4 What polynomial would you add to 3y² - 4y + 2 to have a sum of 2y² + 5?

74. 4-4 Answer -y² + 4y + 3

75. 4-5

77. 4-5 Answer 7 miles per hour

78. Extra 4 Convert 20 miles per gallon to kilometers per liter

80. Extra 4 Answer 8.50 kilometers per liter