Key stage 2 (KS2) is stage that incuids learners from year 2 to year 6 in Primary school. 

Year>>YEAR 2YEAR 3YEAR 4YEAR 5YEAR 6
Themes
Counting and number patternsCounting and number patternsCounting and number patternsNumbers and comparingNumber sense and comparingPlace values and number sense
Names of numbers and Number SystemNames of numbers and Number SystemNames of numbers and Number SystemNames of numbers and Number SystemNames of numbers and Number System
Rational numbers
Exponents and square roots
Comparing and ordering numbersComparing and ordering numbersComparing and ordering numbersComparing and ordering numbersComparing and ordering numbers
AdditionAdditionAdditionAdditionAdditionAddition
SubtractionSubtractionSubtractionSubtractionSubtractionSubtraction
MultiplicationMultiplicationMultiplicationMultiplicationMultiplicationMultiplication
DivisionDivisionDivisionDivisionDivisionDivision
Number theoryNumber theory
Properties of numbersProperties of numbersProperties of numbersProperties of numbersProperties of numbers
Scientific notation
Place valuesPlace valuesPlace valuesPlace valuesPlace values
Estimation and roundingEstimation and roundingEstimation and roundingEstimation and roundingEstimation and rounding
DecimalsDecimalsDecimals and operations (+-X-;-)Decimals and operations (+-X-;-)
Number sequences
Patterns and sequencesPatterns and sequencesPatterns and sequences
Mixed operationsMixed operationsMixed operationsMixed operationsMixed operationsMixed operations
Logical reasoningLogical reasoningLogical reasoning
Fractions and mixed numbersFractionsFractionsFractions and mixed numbersFractions and mixed numbers and operationFractions and mixed numbers and operation
ComparingComparingComparingComparingComparingComparing
EstimationEstimationEstimationEstimationEstimationEstimation
Sorting, ordering and classifyingSorting, ordering and classifyingSorting, ordering and classifyingSorting, ordering and classifying
decimals & fractions mixed operationsdecimals & fractions mixed operations
Ratios, proportions and percentRatios, proportions and percent
percent
Patterns and sequencesPatterns and sequences
Proportional relationships
Direct and inverse variation
GeometryGeometryGeometryGeometryGeometryGeometry
Geometrical Transformations & Symmetry
Geometric ConstructionsSpatial sense
Pythagorean theorem
Data and graphsData and graphsData and graphsData and graphsData and graphs,Data and graphs,
Coordinate graphsCoordinate graphsCoordinate graphs
MeasurementMeasurementMeasurementMeasurementMeasurementMeasurement
MoneyMoneyMoneyMoneyMoneyMoney
PatternsPatternsPatterns
Probability and statisticsProbability and statisticsProbability and statisticsProbability and statisticsProbability and statisticsProbability and statistics
statistics
TimeTimeTimeTimeTimeTime
Equations and variablesEquations and variablesEquations and variablesEquations and variables
AlgebraAlgebraAlgebra
FunctionsFunctionsFunctions
Consumer mathsConsumer math's
Problem solving and estimationProblem solving