If you are a teacher or student in grade 9 or 10 teaching or taking the course(s) before the IB Diploma and you intend to teach or learn Math SL-HL then this is the workbook for you. It includes detailed solutions of all the exercises. More info and free material can be found at: http://ibmathworkbooks.webnode.es/ The content of the workbook is as follows: CHAPTER 1 1.1 Order of operations 1.2 Decimals and fractions 1.3 Percentages 1.4 Prime numbers LCD and GCD 1.5 Roots and rationalization 1.6 Exponents 1.7 Absolute value 1.8 Expanding and factoring 1.9 Rearranging formulae 1.10 Evaluating expressions 1.11 Systems of equations 1.12 Interval notation and inequalities 1.13 Quadratic equations and inequalities CHAPTER 2 2.1 Types of numbers 2.2 Significant figures 2.3 Scientific notation CHAPTER 3 3.1 Linear functions CHAPTER 4 4.1 Statistics 4.2 Frequency diagram and descriptive statistics 4.3 Probability CHAPTER 5 5.1 Geometry 5.2 Geometric transformations CHAPTER 6 6.1 International system of units 6.2 Common errors