This is a complete Grade 9 Math workbook. It contains all the subjects taught at this grade level world wide.The index of the book is as follows:CHAPTER 1 - ALGEBRA 1.1 Order of operations1.2 Introduction to fractions1.3 Decimals and fractions1.4 Exponents1.5 Algebraic expressions1.6 Percentages1.7 Types of numbers1.8 Roots and rationalization1.9 Interval notation and inequalities1.10 Evaluating expressions1.11 Equations1.12 Polynomials1.13 Sequences and seriesCHAPTER 2 - GEOMETRY2.1 Introduction to geometry2.2 Angles 2.3 Squares, rectangles and triangles2.4 Points of concurrency2.5 Congruent and similar triangles2.6 Distance and midpoint2.7 Circles2.8 Quadrilaterals2.9 3D geometry2.10 Geometric transformationsCHAPTER 3 - FUNCTIONS 3.1 Introduction to functions3.2 Linear functionsCHAPTER 4 - STATISTICS 4.1 Statistics4.2 Mean, Median, Mode and Frequency diagrams4.3 ProbabilityCHAPTER 55.1 International system of units5.2 Common errors