SKE/TSST Mathematics Course Background Documents Learning together through Problem Solving Strands and Units Strand A: Computation Introductory Problem A1: Decimals and Fractions A2: Using Fractions and Percentages A3: Scientific Notation A4: Ratio and Proportion Strand B: Number Theory Introductory Problem B1: Indices and Factors B2: Number Classification and Bases B3: Number Sequences Strand C: Measurement Introductory Problem C1: Units of Measurement C2: Solids C3: Areas C4: Volumes Strand D: Probability Introductory Problem D1: Probability of One Event D2: Probability of Two or More Events D3: Extending Probability Strand E: Data Analysis Introductory Problem E1: Data Collection E2: Data Presentation E3: Measures of Central Tendency E4: Measures of Variation Strand F: Algebra Introductory Problem F1: Formulae F2: Algebraic Concepts F3: Algebraic Manipulation F4: Solving Quadratic Equations F5: Solving Equations F6: Solving Inequalities Strand G: Relations, Functions and Graphs Introductory Problem G1: Coordinates G2: Straight Lines G3: Using Graphs to Solve Equations G4: Functions Strand H: Angle Geometry Introductory Problem H1: Angles and Symmetry H2: Angles, Circles and Tangents H3: Constructions and Loci H4: Congruence and Similarity Strand I: Geometry and Trigonometry Introductory Problem I1: Pythagoras' Theorem and Trigonometric Ratios I2: Trigonometric Problems Strand J: Transformations, Vectors and Matrices Introductory Problem J1: Reflections, Rotations and Enlargements J2: Further Transformations J3: Vectors J4: Matrices