1. Paper 2 Revision (compiled in light of the contents of paper1) Higher Tier WJEC 1

2. Topic Areas 1.Data Handling 2.Number 3.Shape, Space and Measure 4.Algebra 2

3. Data Handling Scatter graphs Stem & Leaf Averages Two-way table Relative frequency Frequency polygon Questionnaires Mean from a table Tree diagrams 3

4. Scatter Graphs 4

5. 5

6. Scatter Graphs solution 6

7. Scatter graphs solutions 7

8. Stem & Leaf 8

9. Stem & Leaf solution 9

10. Averages 10

11. Averages solution 11

12. Two-way Table 12

13. Two-way Table solution 13

14. Relative frequency 14

15. Relative frequency solution 15

16. Frequency polygon 16

17. Frequency polygon solution 17

18. Questionnaires 1 18

19. Questionnaires 1 solution 19

20. Questionnaires 2 20

21. Questionnaires 2 solution 21

22. Mean from a table 22

23. Mean from a table solution 23

24. Tree Diagrams 24

25. Tree Diagrams solution 25

26. Number Fractions/percentage of a quantity Percentage change Reverse percentages Dividing quantities into a given ratio Recipe question Using a calculator Best value comparison Compound interest Standard form Upper and lower bounds 26

27. Fractions/percentage of a quantity 27

28. Fractions/percentage of a quantity solution 28

29. Percentage change 29

30. Percentage change solution 30

31. Reverse percentages 31

32. Reverse percentages solution 32

33. Dividing quantities into a given ratio 33

34. Dividing quantities into a given ratio solution 34

35. Recipe Question 35

36. Recipe Question solution 36

37. Using a calculator 1 37

38. Using a calculator 1 solution 38

39. Using a calculator 2 39

40. Using a calculator 2 solution 40

41. Best Value comparison 41

42. Best value comparison solution 42

43. Compound interest 43

44. Compound interest solution 44

45. Standard Form 45

46. Standard Form solution 46

47. Upper and Lower Bounds 47

48. Upper and Lower Bounds solution 48

49. Shape, space and Measure Corresponding and alternate angles Travel graphs Reflections Translations Area and perimeter of circles Sector of a circle Constructions Loci Nets plans & elevations Surface area Circle theorems Similar figures Pythagoras’ Theorem SOHCAHTOA Cosine Rule / area of a triangle 49

50. Corresponding and alternate angles 50

51. Corresponding and alternate angles solution 51

52. Travel graphs 52

53. Travel Graphs 53

54. Travel graphs solution 54

55. Reflections 55

56. Reflections solution 56

57. Translation 57

58. Translation solution 58

59. Area & perimeter of circles 59

60. Area & perimeter of circles solution 60

61. Constructions 61

62. Constructions solution 62

63. Loci 63

64. Loci solutions 64

65. Nets plans & elevations 65

66. Nets plans & elevations solution 66

67. Surface Area 67

68. Surface Area solution 68

69. Circle Theorems 69

70. Circle Theorems solution 70

71. Similar Figures 71

72. Similar Figures solution 72

73. Pythagoras’ Theorem 73

74. Pythagoras’ Theorem solution 74

75. SOH CAH TOA 1 75

76. SOH CAH TOA 1 solution 76

77. SOH CAH TOA 2 77

78. SOH CAH TOA 2 solution 78

79. Cosine Rule / area of a triangle 79

80. Cosine Rule / area of a triangle solutions 3 80

81. Cosine Rule / area of a triangle solutions 2 81

82. Sector of a circle 82

83. Sector of a circle solution 83

84. Algebra Expressions Substitution Expanding brackets Inequalities Equation of a line Drawing linear graphs Drawing quadratic graphs Changing the subject Proportion Linear equations Algebraic fractions Quadratic equations 1 – use of formula Quadratic equations 2 – completing the square Simultaneous equations 1 - linear Simultaneous equations 2 – non-linear Proof Transformation of functions 84

85. Expressions 85

86. Expressions solution 86

87. Substitution 87

88. Substitution solution 88

89. Expanding brackets 89

90. Expanding brackets solution 90

91. Inequalities 91

92. Inequalities solution 92

93. Equation of a line 93

94. Equation of a line solution 94

95. Drawing linear graphs 95

96. Drawing linear graphs solution 96

97. Drawing quadratic graphs 97

98. Drawing quadratic graphs solution 98

99. Changing the subject 99

100. Changing the subject solution 100

101. Proportion 101

102. Proportion solution 102

103. Linear Equations 103

104. Linear Equations solution 104

105. Algebraic fractions 105

106. Algebraic fractions solutions 1 106

107. Algebraic fractions solutions 2 107

108. Quadratic equations 1 – quadratic formula 108

109. Quadratic equations 1 – quadratic formula solution 109

110. Quadratic equations 2 – completing the square 110

111. Quadratic equations 2 – completing the square solutions 111

112. Simultaneous equations 1 – both linear 112

113. Simultaneous equations 1 – both linear solution 113

114. Simultaneous equations 2 – one non-linear 114

115. Simultaneous equations 2 – one non-linear solution 115

116. Proof 116

117. Proof solutions 117

118. Transformation of functions 118

119. Transformation of functions solutions 119