Edexcel · GCSE
Your journey to excellence inMathematics
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Start with the first Mathematics lesson.
Ordering Integers and Decimals
1Ordering Integers and DecimalsRead next2Ordering FractionsRead next3Using Inequality SymbolsRead next4Adding and Subtracting IntegersRead next5Multiplying and Dividing IntegersRead next6Formal Written Methods for Addition and SubtractionRead next7Formal Written Methods for Multiplication and DivisionRead next8Adding and Subtracting DecimalsRead next9Multiplying and Dividing DecimalsRead next10Adding and Subtracting FractionsRead next11Multiplying and Dividing FractionsRead next12Working with Mixed NumbersRead next13Understanding Place ValueRead next14Calculating with Large and Small NumbersRead next15Using Inverse OperationsRead next16Order of Operations (BIDMAS/BODMAS)Read next17Understanding Prime NumbersRead next18Identifying Factors and MultiplesRead next19Finding the Highest Common Factor (HCF)Read next20Finding the Lowest Common Multiple (LCM)Read next21Prime Factorisation and Product NotationRead next22Systematic Listing StrategiesRead next23Understanding Powers and RootsRead next24Calculating with Integer IndicesRead next25Simplifying SurdsRead next26Rationalising DenominatorsRead next27Calculating with Standard FormRead next28Converting Between Standard Form and Ordinary NumbersRead next29Ordering Numbers in Standard FormRead next30Converting Fractions to DecimalsRead next31Converting Decimals to FractionsRead next32Converting Percentages to FractionsRead next33Converting Fractions to PercentagesRead next34Converting Decimals to PercentagesRead next35Fractions in Ratio ProblemsRead next36Using Percentages as OperatorsRead next37Using Standard Units of MeasureRead next38Estimating AnswersRead next39Approximating CalculationsRead next40Rounding to Decimal PlacesRead next41Rounding to Significant FiguresRead next42Using Inequality Notation for Error IntervalsRead next43Understanding Limits of AccuracyRead next44Calculating Upper and Lower BoundsRead next
Understanding Algebraic Notation
1Understanding Algebraic NotationRead next2Substituting Values into ExpressionsRead next3Simplifying Algebraic ExpressionsRead next4Expanding Single BracketsRead next5Expanding Double BracketsRead next6Factorising Linear ExpressionsRead next7Factorising Quadratic ExpressionsRead next8Factorising the Difference of Two SquaresRead next9Understanding and Using the Laws of IndicesRead next10Rearranging Formulae to Change the SubjectRead next11Identifying Expressions, Equations, and IdentitiesRead next12Interpreting Functions as Inputs and OutputsRead next13Working with Coordinates in Four QuadrantsRead next14Plotting Straight-Line GraphsRead next15Understanding Gradient and Intercept in y = mx + cRead next16Finding the Equation of a Line from Two PointsRead next17Identifying Parallel and Perpendicular LinesRead next18Sketching and Interpreting Quadratic GraphsRead next19Sketching Simple Cubic and Reciprocal GraphsRead next20Recognising and Sketching Exponential GraphsRead next21Solving Linear Equations with One UnknownRead next22Solving Linear Equations with Unknowns on Both SidesRead next23Solving Quadratic Equations by FactorisingRead next24Solving Quadratic Equations Using the FormulaRead next25Solving Quadratic Equations by Completing the SquareRead next26Solving Simultaneous Linear Equations AlgebraicallyRead next27Solving Simultaneous Linear Equations GraphicallyRead next28Solving Linear and Quadratic Simultaneous EquationsRead next29Solving Linear Inequalities in One VariableRead next30Representing Inequalities on a Number LineRead next31Solving Quadratic InequalitiesRead next32Representing Inequalities on GraphsRead next33Generating Sequences from Term-to-Term RulesRead next34Generating Sequences from Position-to-Term RulesRead next35Recognising Arithmetic SequencesRead next36Recognising Geometric SequencesRead next37Recognising Fibonacci-Type SequencesRead next38Finding the nth Term of Linear SequencesRead next39Finding the nth Term of Quadratic SequencesRead next40Sketching Translations of FunctionsRead next41Sketching Reflections of FunctionsRead next42Using Graphs to Solve Real-World ProblemsRead next43Calculating Gradients of Non-Linear GraphsRead next44Finding Areas Under GraphsRead next45Understanding the Equation of a CircleRead next46Finding Tangents to a CircleRead next47Translating Word Problems into AlgebraRead next48Using Algebra to Solve Real-Life ScenariosRead next
Converting Between Units of Measure
1Converting Between Units of MeasureRead next2Using Compound UnitsRead next3Understanding Scale FactorsRead next4Interpreting Scale Diagrams and MapsRead next5Expressing Quantities as FractionsRead next6Simplifying RatiosRead next7Dividing Quantities in RatiosRead next8Real-World Ratio ProblemsRead next9Relating Ratios to FractionsRead next10Understanding Proportion as Equality of RatiosRead next11Direct Proportion in AlgebraRead next12Inverse Proportion in AlgebraRead next13Graphical Representations of ProportionRead next14Interpreting Gradient as Rate of ChangeRead next15Percentage Basics and DefinitionsRead next16Percentage Increase and DecreaseRead next17Original Value Problems with PercentagesRead next18Working with Percentages Greater Than 100%Read next19Simple Interest CalculationsRead next20Compound Interest ProblemsRead next21Growth and Decay ProblemsRead next22Iterative Processes in Growth and DecayRead next23Unit Pricing ProblemsRead next24Density and Pressure CalculationsRead next25Comparing Lengths with RatiosRead next26Comparing Areas with RatiosRead next27Comparing Volumes with RatiosRead next28Links Between Ratios and SimilarityRead next29Trigonometric Ratios and Scale FactorsRead next30Understanding Inversely Proportional RelationshipsRead next31Constructing Direct Proportion EquationsRead next32Constructing Inverse Proportion EquationsRead next33Graphing Direct and Inverse ProportionRead next34Instantaneous Rate of Change on CurvesRead next35Average Rate of Change in GraphsRead next
Conventional Terms and Notation
1Conventional Terms and NotationRead next2Drawing Diagrams from DescriptionsRead next3Ruler and Compass ConstructionsRead next4Perpendicular Bisector of a Line SegmentRead next5Constructing Perpendiculars to a LineRead next6Bisecting AnglesRead next7Solving Loci ProblemsRead next8Angles at a PointRead next9Angles on a Straight LineRead next10Vertically Opposite AnglesRead next11Alternate and Corresponding AnglesRead next12Angle Sum in a TriangleRead next13Angle Sum in PolygonsRead next14Properties of Regular PolygonsRead next15Special Quadrilaterals and DefinitionsRead next16Congruence Criteria for TrianglesRead next17Triangle Congruence and Simple ProofsRead next18Isosceles Triangle Base AnglesRead next19Constructing Congruent ShapesRead next20Constructing Similar ShapesRead next21Transformations: RotationRead next22Transformations: ReflectionRead next23Transformations: TranslationRead next24Transformations: EnlargementRead next25Fractional and Negative Scale FactorsRead next26Circle Definitions and PropertiesRead next27Circle Theorems and ProofsRead next28Geometrical Problems on Coordinate AxesRead next29Properties of 3D ShapesRead next30Plans and Elevations of 3D ShapesRead next31Standard Units of MeasureRead next32Measuring Line Segments and AnglesRead next33Interpreting Maps and Scale DrawingsRead next34Using Bearings in GeometryRead next35Area of Triangles and ParallelogramsRead next36Area of TrapeziaRead next37Volume of Cuboids and PrismsRead next38Circumference of a CircleRead next39Area of a CircleRead next40Perimeters of Composite ShapesRead next41Surface Area of Spheres and PyramidsRead next42Volume of Spheres and ConesRead next43Arc Lengths and Sector AreasRead next44Congruence and Similarity RelationshipsRead next45Pythagoras' TheoremRead next46Trigonometric RatiosRead next47Exact Trigonometric ValuesRead next48The Sine RuleRead next49The Cosine RuleRead next50Area of a Triangle Using SineRead next51Describing Translations with VectorsRead next52Adding and Subtracting VectorsRead next53Multiplying Vectors by ScalarsRead next54Column Representations of VectorsRead next55Geometric Arguments Using VectorsRead next
Frequency Tables for Experiments
1Frequency Tables for ExperimentsRead next2Using Frequency TreesRead next3Randomness and Fairness in ProbabilityRead next4Equally Likely EventsRead next5Expected Outcomes of ExperimentsRead next6Relative Frequencies and Theoretical ProbabilityRead next7The Probability Scale (0-1)Read next8Probabilities Adding to OneRead next9Mutually Exclusive EventsRead next10Empirical Samples vs Theoretical DistributionsRead next11Systematic Listing StrategiesRead next12Using Tables for EnumerationRead next13Grids for Set CombinationsRead next14Venn Diagrams in ProbabilityRead next15Tree Diagrams for ProbabilityRead next16Constructing Possibility SpacesRead next17Single Experiments with Equally Likely OutcomesRead next18Combined Experiments with Equally Likely OutcomesRead next19Calculating Independent Event ProbabilitiesRead next20Dependent Events and Tree DiagramsRead next21Assumptions in Combined EventsRead next22Conditional Probability BasicsRead next23Conditional Probability with Two-Way TablesRead next24Conditional Probability Using Tree DiagramsRead next25Conditional Probability with Venn DiagramsRead next26Common Exam Traps in ProbabilityRead next27Interpreting Probability QuestionsRead next28Using Probability in Real-Life ContextsRead next
Understanding Sampling Limitations
1Understanding Sampling LimitationsRead next2Inferring Properties from a SampleRead next3Interpreting Frequency TablesRead next4Constructing Frequency TablesRead next5Interpreting Bar ChartsRead next6Constructing Bar ChartsRead next7Interpreting Pie ChartsRead next8Constructing Pie ChartsRead next9Interpreting PictogramsRead next10Constructing PictogramsRead next11Using Vertical Line ChartsRead next12Interpreting Time Series DataRead next13Constructing Tables for Time Series DataRead next14Interpreting Grouped Frequency TablesRead next15Constructing Grouped Frequency TablesRead next16Understanding Histograms with Equal IntervalsRead next17Understanding Histograms with Unequal IntervalsRead next18Constructing HistogramsRead next19Interpreting HistogramsRead next20Understanding Cumulative Frequency GraphsRead next21Constructing Cumulative Frequency GraphsRead next22Interpreting Cumulative Frequency GraphsRead next23Graphical Representation of Discrete DataRead next24Graphical Representation of Continuous DataRead next25Graphical Representation of Grouped DataRead next26Calculating the MeanRead next27Calculating the MedianRead next28Calculating the ModeRead next29Finding the Modal ClassRead next30Calculating the RangeRead next31Identifying and Considering OutliersRead next32Understanding Quartiles and Interquartile RangeRead next33Calculating Quartiles and Interquartile RangeRead next34Interpreting Box PlotsRead next35Constructing Box PlotsRead next36Comparing Data DistributionsRead next37Describing a Population with StatisticsRead next38Using Scatter Graphs for Bivariate DataRead next39Recognizing Correlation in Scatter GraphsRead next40Understanding Correlation vs CausationRead next41Drawing Estimated Lines of Best FitRead next42Making Predictions with Scatter GraphsRead next43Interpolating Trends in Scatter GraphsRead next44Extrapolating Trends in Scatter GraphsRead next45Understanding Risks of ExtrapolationRead next