IGCSE CIE Maths Extended Textbook Concise resources for the IGCSE Edexcel Maths course Textbook PPT 1. Reviewing number concept2. Making sense of Algebra3. Lines ,angles & shapes4. Collecting ,organising & displaying data5. Fractions & standard Form6. Equations & rearranging formulae7. Perimeter ,area & Volume8. Introduction to Probability9. Sequence & Sets10.Straight lines & Quadratic equations11. Pythagoras Theorem & similar shapes11.1 Pythagoras’ theorem11.2 Understanding similar triangles 11.3 Understanding similar shapes 11.4 Understanding congruence12.Averages & measures of spread12.1 Different types of average 12.2 Making comparisons using averages and ranges  12.3 Calculating averages and ranges for frequency 12.4 Calculating averages and ranges for grouped data 12.5 Percentiles and quartiles  12.6 Box-and-whisker plots 13. Understanding Measurements13.1 Understanding units  13.2 Time 13.3 Upper and lower bounds 13.4 Conversion graphs 13.5 More money 14. Further solving of equations & Inequalities14.1 Simultaneous linear equations 14.2 Linear inequalities 14.3 Regions in a plane 14.4 Linear programming 14.5 Completing the square  14.6 Quadratic formula14.7 Factorising quadratics where the coefficient of x 2 is not 1 14.8 Algebraic fractions 15.Scale drawings ,Bearings & Trigonometry15.1Scale drawings  15.2 Bearings 15.3 Understanding the tangent, cosine & sine ratio 15.4 Solving problems using trigonometry15.5 Sine, cosine & tangent of angles more than 9015.6 The sine and cosine rules 15.7 Area of a triangle15.8 Trigonometry in three dimensions16.Scatter Diagrams & Correlation16.1 Introduction to bivariate data 17. Managing Money17.1 Earning money  17.2 Borrowing and investing money  17.3 Buying and selling 18.Curved Graphs18.1 Drawing quadratic graphs (the parabola) 18.2 Drawing reciprocal graphs (the hyperbola) 18.3 Using graphs to solve quadratic equations 18.4 Using graphs to solve simultaneous linear and non-linear equations 18.5 Other non-linear graphs 18.6 Finding the gradient of a curve 18.7 Derived functions19.Symmetry19.1 Symmetry in two dimensions 19.2 Symmetry in three dimensions 19.3 Symmetry properties of circles 19.4 Angle relationships in circles20. Histograms & Frequency distribution diagrams20.1 Histograms 20.2 Cumulative frequency21. Ratio ,Rate & Proportion21.1 Working with ratio21.2 Ratio and scale 21.3 Rates 21.4 Kinematic graphs 21.5 Proportion 21.6 Direct and inverse proportion in algebraic terms 21.7 Increasing & decreasing amounts by a given ratio 22. More Equations Formulae & Functions22.1 Setting up equations to solve problems 22.2 Using and transforming formulae 22.3 Functions and function notation23. Vectors & Transformations23.1 Simple plane transformations23.2 Vectors 23.3 Further transformations24.Probability using tree diagram & venn diagram24.1 Using tree diagrams to show outcomes 24.2 Calculating probability from tree diagrams 24.3 Calculating probability from Venn diagrams 24.4 Conditional probability AnswersCh 1 MSCh 2 MSCh 3 MSCh 4 MSCh 5 MSCh 6 MS Ch 7 MS Ch 8 MS Ch 9 MSCh 10 MSCh 11 MS Ch 12 MSCh 13 MSCh 14 MSCh 15 MSCh 16 MSCh 17 MSCh 18 MSCh 19 MSCh 20 MSCh 21 MSCh 22 MSCh 23 MSCh 24 MS 1. Reviewing number concept2. Making sense of Algebra3. Lines ,angles & shapes4. Collecting ,organising & displaying data5. Fractions & standard Form6. Equations & rearranging formulae7. Perimeter ,area & Volume8. Introduction to Probability9. Sequence & Sets10.Straight lines & Quadratic equations11. Pythagoras Theorem & similar shapes11.1 Pythagoras’ theorem11.2 Understanding similar triangles 11.3 Understanding similar shapes 11.4 Understanding congruence Chapter 11 Exam Practice12.Averages & measures of spread12.1 Different types of average 12.2 Making comparisons using averages and ranges  12.3 Calculating averages and ranges for frequency 12.4 Calculating averages and ranges for grouped data 12.5 Percentiles and quartiles  12.6 Box-and-whisker plotsChapter 12 Examination Practice 13. Understanding Measurements13.1 Understanding units  13.2 Time 13.3 Upper and lower bounds 13.4 Conversion graphs 13.5 More money Chapter 13 Examination Practice14. Further solving of equations & Inequalities14.1 Simultaneous linear equations 14.2 Linear inequalities 14.3 Regions in a plane 14.4 Linear programming 14.5 Completing the square  14.6 Quadratic formula14.7 Factorising quadratics where the coefficient of x 2 is not 1 14.8 Algebraic fractions Chapter 14 Examination Practice15.Scale drawings ,Bearings & Trigonometry15.1Scale drawings 15.2 Bearings 15.3 Understanding the tangent, cosine & sine ratio 15.4 Solving problems using trigonometry15.5 Sine, cosine & tangent of angles more than 9015.6 The sine and cosine rules 15.7 Area of a triangle15.8 Trigonometry in three dimensionsChapter 15 Exam Practice16.Scatter Diagrams & Correlation16.1 Introduction to bivariate data Chapter 16 Examination Practice17. Managing Money17.1 Earning money17.2 Borrowing and investing money  17.3 Buying and selling Chapter 17 Examination Practice18.Curved Graphs18.1 Drawing quadratic graphs (the parabola)  18.2 Drawing reciprocal graphs (the hyperbola) 18.3 Using graphs to solve quadratic equations 18.4 Using graphs to solve simultaneous linear and non-linear equations 18.5 Other non-linear graphs 18.6 Finding the gradient of a curve 18.7 Derived functionsChapter 18 Exam Practice19.Symmetry19.1 Symmetry in two dimensions 19.2 Symmetry in three dimensions 19.3 Symmetry properties of circles 19.4 Angle relationships in circles 20. Histograms & Frequency distribution diagrams20.1 Histograms 20.2 Cumulative frequencyChapter 20 Exam Practice21. Ratio ,Rate & Proportion21.1 Working with ratio21.2 Ratio and scale 21.3 Rates 21.4 Kinematic graphs 21.5 Proportion 21.6 Direct and inverse proportion in algebraic terms 21.7 Increasing & decreasing amounts by a given ratio 22. More Equations Formulae & Functions22.1 Setting up equations to solve problems 22.2 Using and transforming formulae 22.3 Functions and function notation23. Vectors & Transformations23.1 Simple plane transformations23.2 Vectors 23.3 Further transformations24.Probability using tree diagram & venn diagram24.1 Using tree diagrams to show outcomes 24.2 Calculating probability from tree diagrams 24.3 Calculating probability from Venn diagrams 24.4 Conditional probability   Â