Year 9 Maths Study Notes Year 9 Maths Notes Year 9 Science Notes Year 9 English Grammar Year 9 Math Practice Questions Algebra Weightage: 35% Questions: 13-15Advanced Math Weightage: 35% Questions: 13-15Problem-solving and Data Analysis Weightage: 15% Questions: 5-7Geometry and Trigonometry Weightage: 15% Questions: 5-7 Year 9 Math Study Notes NumberPlace value and estimatingHCF and LCMIntegersBasic OperationIndices and Standard Form.SurdsRatios, percentages and applications, Mixed fractions and operations AlgebraAlgebraic indicesExpanding and FactorizingEquations.Formulae.Linear sequences. Non-linear sequences.exponential functionsSystems of Non linear equations in two variablesNonlinear functionsStraight line graphs GeometryAngles and LinesInterior angles of a polygon. Exterior angles of a polygon.Pythagoras Theorem GeometryPolygons and their areasCirclesSolids and volumesTransformationsGraphs of curvesPythagoras’ theorem Data Handling & ProbabilityDiscrete and continuous data and representationsPictorial representations of data,Scatter graphsProbability