KS3 Maths NumbersPlace valuePositive and negative numbersOperations – CalculationsRounding and estimatingPowers and rootsPrime numbers, factors and multiplesDecimalsFractionsPercentagesStandard index formDistance, speed and time Ratio, proportion and rates of changeRatioDirect and inverse proportion AlgebraExpressions and formulaeInequalitiesEquationsGraphsPatterns and sequences GeometryPerimeter, Area, VolumeAnglesShapesSymmetry and transformationsMeasurementPythagoras and trigonometry ProbabilityCalculating probabilities