1. Algebra with Whole Numbers Algebraic Notation

2. Simplify

30. If x = 6, y = 3 and z = 2 9

31. 3

32. 18

33. If x = 6, y = 3 and z = 2 2

34. 9

35. 3

36. 18

37. If x = 6, y = 3 and z = 2 2

38. 9

39. 12

40. If x = 6, y = 3 and z = 2 3

41. 0

42. 36

43. If x = 6, y = 3 and z = 2 9

44. 4

45. 1

46. 30

47. If x = 6, y = 3 and z = 2 30

48. If x = 6, y = 3 and z = 2 6

49. 6

50. 18

51. If x = 6, y = 3 and z = 2 12

52. If x = 6, y = 3 and z = 2 6

53. 0

54. 9

55. 36

56. If x = 6, y = 3 and z = 2 12

57. If x = 6, y = 3 and z = 2 144

58. Write the formula. Double a number n then take away 6 to give an answer a.

59. Write the formula. Halve a number x then add 4 to give the number y.

60. Write the formula. Multiply a number p by 6 then subtract 4 to give the answer r.

61. Write the formula. Add 3 to a number m then multiply this all by 4 to give q.

62. Write the formula. First add 6 to a number p then divide by 3 to get the final answer r.

63. Write the formula. From 16 take away 2 times a number n to give the answer c.

64. Write the formula. From 21 take away 3 times a number z to give the final answer e.

65. Write the formula. From 16 take away a number n then divide by 3 to get the final answer p.

66. Write the formula. Multiply a number d by a half then add 6 to give the number e.

67. Write the formula. Subtract 6 from a number n and then divide by 2 to give the number j.