Paper 2 Revision (compiled in light of the contents of paper1) Higher Tier WJEC 1
Topic Areas 1.Data Handling 2.Number 3.Shape, Space and Measure 4.Algebra 2
Data Handling Scatter graphs Stem & Leaf Averages Two-way table Relative frequency Frequency polygon Questionnaires Mean from a table Tree diagrams 3
Scatter Graphs 4
5
Scatter Graphs solution 6
Scatter graphs solutions 7
Stem & Leaf 8
Stem & Leaf solution 9
Averages 10
Averages solution 11
Two-way Table 12
Two-way Table solution 13
Relative frequency 14
Relative frequency solution 15
Frequency polygon 16
Frequency polygon solution 17
Questionnaires 1 18
Questionnaires 1 solution 19
Questionnaires 2 20
Questionnaires 2 solution 21
Mean from a table 22
Mean from a table solution 23
Tree Diagrams 24
Tree Diagrams solution 25
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
Fractions/percentage of a quantity 27
Fractions/percentage of a quantity solution 28
Percentage change 29
Percentage change solution 30
Reverse percentages 31
Reverse percentages solution 32
Dividing quantities into a given ratio 33
Dividing quantities into a given ratio solution 34
Recipe Question 35
Recipe Question solution 36
Using a calculator 1 37
Using a calculator 1 solution 38
Using a calculator 2 39
Using a calculator 2 solution 40
Best Value comparison 41
Best value comparison solution 42
Compound interest 43
Compound interest solution 44
Standard Form 45
Standard Form solution 46
Upper and Lower Bounds 47
Upper and Lower Bounds solution 48
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
Corresponding and alternate angles 50
Corresponding and alternate angles solution 51
Travel graphs 52
Travel Graphs 53
Travel graphs solution 54
Reflections 55
Reflections solution 56
Translation 57
Translation solution 58
Area & perimeter of circles 59
Area & perimeter of circles solution 60
Constructions 61
Constructions solution 62
Loci 63
Loci solutions 64
Nets plans & elevations 65
Nets plans & elevations solution 66
Surface Area 67
Surface Area solution 68
Circle Theorems 69
Circle Theorems solution 70
Similar Figures 71
Similar Figures solution 72
Pythagoras’ Theorem 73
Pythagoras’ Theorem solution 74
SOH CAH TOA 1 75
SOH CAH TOA 1 solution 76
SOH CAH TOA 2 77
SOH CAH TOA 2 solution 78
Cosine Rule / area of a triangle 79
Cosine Rule / area of a triangle solutions 3 80
Cosine Rule / area of a triangle solutions 2 81
Sector of a circle 82
Sector of a circle solution 83
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
Expressions 85
Expressions solution 86
Substitution 87
Substitution solution 88
Expanding brackets 89
Expanding brackets solution 90
Inequalities 91
Inequalities solution 92
Equation of a line 93
Equation of a line solution 94
Drawing linear graphs 95
Drawing linear graphs solution 96
Drawing quadratic graphs 97
Drawing quadratic graphs solution 98
Changing the subject 99
Changing the subject solution 100
Proportion 101
Proportion solution 102
Linear Equations 103
Linear Equations solution 104
Algebraic fractions 105
Algebraic fractions solutions 1 106
Algebraic fractions solutions 2 107
Quadratic equations 1 – quadratic formula 108
Quadratic equations 1 – quadratic formula solution 109
Quadratic equations 2 – completing the square 110
Quadratic equations 2 – completing the square solutions 111
Simultaneous equations 1 – both linear 112
Simultaneous equations 1 – both linear solution 113
Simultaneous equations 2 – one non-linear 114
Simultaneous equations 2 – one non-linear solution 115
Proof 116
Proof solutions 117
Transformation of functions 118
Transformation of functions solutions 119