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    Edexcel A-Level Mathematics

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    Course version · 9MA0Version from Mar 2026Change version

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    Assessment and exam guidance

    Assessment Objectives

    AO1
    48%-52%

    Use and apply standard techniques. Students should be able to: select and correctly carry out routine procedures; and accurately recall facts, terminology and definitions.

    AO2
    23%-27%

    Reason, interpret and communicate mathematically. Students should be able to: construct rigorous mathematical arguments (including proofs); make deductions and inferences; assess the validity of mathematical arguments; explain their reasoning; and use mathematical language and notation correctly.

    AO3
    23%-27%

    Solve problems within mathematics and in other contexts. Students should be able to: translate problems in mathematical and non-mathematical contexts into mathematical processes; interpret solutions to problems in their original context, and, where appropriate, evaluate their accuracy and limitations; translate situations in context into mathematical models; use mathematical models; and evaluate the outcomes of modelling in context, recognise the limitations of models and, where appropriate, explain how to refine them.

    Exam Structure

    Pearson Edexcel A-Level (9MA0)

    Paper 1: Pure Mathematics 1

    2h

    Duration

    100

    Marks

    33.33%

    Weighting

    Paper 2: Pure Mathematics 2

    2h

    Duration

    100

    Marks

    33.33%

    Weighting

    Paper 3: Statistics and Mechanics

    2h

    Duration

    100

    Marks

    33.34%

    Weighting

    Tips and common mistakes

    Common Exam Mistakes

    Pitfalls to avoid in your exams

    • •Confusing an equation with an identity; an equation is solved for specific values, whereas an identity is true for all values of the variable and requires the ≡ symbol.
    • •Omitting connecting language or logical steps; writing a sequence of disconnected expressions instead of forming a coherent argument with equations or inequalities.
    • •Misidentifying parts of an algebraic expression; calling a constant a coefficient, or failing to recognise that the index applies only to its immediate base unless bracketed.
    • •Writing an operator without an operand, such as leaving a square root symbol empty or writing an equals sign without a right-hand side; always complete the mathematical statement.
    • •Misusing calculus notation, such as writing a derivative without specifying the original function, or omitting the dx in an integral; always include the full notation.
    • •Ignoring the order of operations by omitting necessary brackets, leading to incorrect algebraic manipulation; always use brackets to group terms correctly.
    • •Confusing the union (∪) and intersection (∩) symbols; remember that union means 'or' (combining sets) and intersection means 'and' (overlapping elements).
    • •Writing inequality solutions incorrectly by combining disjoint sets into a single continuous inequality; use the union symbol (∪) to join separate solution intervals.

    Top Examiner Tips

    Expert advice for exam success

    • •Always state your conclusion clearly at the end of a logical deduction, linking it back to the original question.
    • •When sketching graphs to support an argument, ensure you label the axes, the origin, and any points of intersection.
    • •Use the identity symbol (≡) when establishing that two algebraic expressions are equivalent for all values of the variable.
    • •Read the question carefully to ensure you understand the specific mathematical language being used, such as 'exact value' or 'simplest form'.
    • •Check your working line by line to ensure that mathematical syntax is maintained, particularly when manipulating complex algebraic fractions.
    • •Never leave an equals sign hanging at the end of a line; ensure every equation has both a left-hand side and a right-hand side.
    • •When asked for the solution to a quadratic inequality, sketch a quick graph and use set notation with the union symbol for disjoint regions.
    • •In probability questions, draw a Venn diagram to visualise the sets before calculating P(A ∪ B) or P(A ∩ B).

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