Episodes

  • Probability: apply ideas of randomness, fairness and equally likely events to calculate expected outcomes of multiple future experiments(Pearson Edexcel GCSE)

    Probability: apply ideas of randomness, fairness and equally likely events to calculate expected outcomes of multiple future experiments(Pearson Edexcel GCSE)
    Oct 19 2026
    Random results can still produce useful predictions. Learn to calculate expected frequencies, distinguish fairness from equal likelihood and explain uncertainty with the precise language that earns GCSE Mathematics marks. Listen to this audio revision guide for Probability: apply ideas of randomness, fairness and equally likely events to calculate expected outcomes of multiple future experiments. Test your knowledge with interactive exam questions and flashcards at https://masterymind.co.uk/study-guides/mathematics-pearson edexcel-gcse-probability-apply-ideas-of-randomness-fairness-and-equally-likely-events-to-calculate-expected-outcomes-of-multiple-future-experiments.
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    5 mins
  • Algebra - Notation, vocabulary and manipulation: understand and use the concepts and vocabulary of expressions, equations, formulae, identities, inequalities, terms and factors(Pearson Edexcel GCSE)

    Algebra - Notation, vocabulary and manipulation: understand and use the concepts and vocabulary of expressions, equations, formulae, identities, inequalities, terms and factors(Pearson Edexcel GCSE)
    Oct 19 2026
    A few precise words can unlock algebra marks: learn when to simplify an expression, solve an equation or justify an identity. This guide pairs signed-term and factor examples with examiner-style commentary, retrieval practice, clear diagrams and a ten-minute female-tutor podcast for Pearson Edexcel GCSE Mathematics. Listen to this audio revision guide for Algebra - Notation, vocabulary and manipulation: understand and use the concepts and vocabulary of expressions, equations, formulae, identities, inequalities, terms and factors. Test your knowledge with interactive exam questions and flashcards at https://masterymind.co.uk/study-guides/mathematics-pearson edexcel-gcse-algebra-notation-vocabulary-and-manipulation-understand-and-use-the-concepts-and-vocabulary-of-expressions-equations-formulae-identities-inequalities-terms-and-factors.
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    5 mins
  • Ratio, proportion and rates of change: solve problems involving direct and inverse proportion, including graphical and algebraic representations(Pearson Edexcel GCSE)

    Ratio, proportion and rates of change: solve problems involving direct and inverse proportion, including graphical and algebraic representations(Pearson Edexcel GCSE)
    Oct 19 2026
    A fixed multiplier makes quantities grow together; a fixed product makes one shrink as the other grows. Learn to recognise each relationship, find its constant and move confidently between calculations, equations and graphs, including clearly labelled Higher-tier equation-construction exercises. Listen to this audio revision guide for Ratio, proportion and rates of change: solve problems involving direct and inverse proportion, including graphical and algebraic representations. Test your knowledge with interactive exam questions and flashcards at https://masterymind.co.uk/study-guides/mathematics-pearson edexcel-gcse-ratio-proportion-and-rates-of-change-solve-problems-involving-direct-and-inverse-proportion-including-graphical-and-algebraic-representations.
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    5 mins
  • Algebra - Notation, vocabulary and manipulation: where appropriate, interpret simple expressions as functions with inputs and outputs; interpret the reverse process as the ‘inverse function’; interpret the succession of two functions as a ‘composite function’ (the use of formal function notation is expected) (Higher tier)(Pearson Edexcel GCSE)

    Algebra - Notation, vocabulary and manipulation: where appropriate, interpret simple expressions as functions with inputs and outputs; interpret the reverse process as the ‘inverse function’; interpret the succession of two functions as a ‘composite function’ (the use of formal function notation is expected) (Higher tier)(Pearson Edexcel GCSE)
    Oct 19 2026
    Function notation is a compact language for turning inputs into outputs, combining rules and undoing them. Master the order of composite functions and the algebra of inverses to tackle Pearson Edexcel GCSE Higher questions with clear working and fewer avoidable errors. Listen to this audio revision guide for Algebra - Notation, vocabulary and manipulation: where appropriate, interpret simple expressions as functions with inputs and outputs; interpret the reverse process as the ‘inverse function’; interpret the succession of two functions as a ‘composite function’ (the use of formal function notation is expected) (Higher tier). Test your knowledge with interactive exam questions and flashcards at https://masterymind.co.uk/study-guides/mathematics-pearson edexcel-gcse-algebra-notation-vocabulary-and-manipulation-where-appropriate-interpret-simple-expressions-as-functions-with-inputs-and-outputs-interpret-the-reverse-process-as-the-i.
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    5 mins
  • Ratio, proportion and rates of change: define percentage as ‘number of parts per hundred’; interpret percentages and percentage changes as a fraction or a decimal, and interpret these multiplicatively; express one quantity as a percentage of another; compare two quantities using percentages; work with percentages greater than 100%; solve problems involving percentage change, including percentage increase/decrease and original value problems, and simple interest including in financial mathematics(Pearson Edexcel GCSE)

    Ratio, proportion and rates of change: define percentage as ‘number of parts per hundred’; interpret percentages and percentage changes as a fraction or a decimal, and interpret these multiplicatively; express one quantity as a percentage of another; compare two quantities using percentages; work with percentages greater than 100%; solve problems involving percentage change, including percentage increase/decrease and original value problems, and simple interest including in financial mathematics(Pearson Edexcel GCSE)
    Oct 19 2026
    A sale price, a pay rise and a savings balance all become easier once you identify the original 100%. Master percentage multipliers, reverse percentages and simple interest, then practise showing the methods and comparisons that earn GCSE Mathematics marks. Listen to this audio revision guide for Ratio, proportion and rates of change: define percentage as ‘number of parts per hundred’; interpret percentages and percentage changes as a fraction or a decimal, and interpret these multiplicatively; express one quantity as a percentage of another; compare two quantities using percentages; work with percentages greater than 100%; solve problems involving percentage change, including percentage increase/decrease and original value problems, and simple interest including in financial mathematics. Test your knowledge with interactive exam questions and flashcards at https://masterymind.co.uk/study-guides/mathematics-pearson edexcel-gcse-ratio-proportion-and-rates-of-change-define-percentage-as-number-of-parts-per-hundred-interpret-percentages-and-percentage-changes-as-a-fraction-or-a-decimal-and-inter.
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    5 mins
  • Number - Structure and calculation: calculate exactly with fractions and multiples of π (Foundation tier)(Pearson Edexcel GCSE)

    Number - Structure and calculation: calculate exactly with fractions and multiples of π (Foundation tier)(Pearson Edexcel GCSE)
    Oct 19 2026
    Exact answers protect accuracy: fractions preserve part-whole values and π preserves the true circle value. Master common denominators, reciprocals and radius-based formulas so that you can secure Foundation marks without turning an exact instruction into a rounded decimal. Listen to this audio revision guide for Number - Structure and calculation: calculate exactly with fractions and multiples of π (Foundation tier). Test your knowledge with interactive exam questions and flashcards at https://masterymind.co.uk/study-guides/mathematics-pearson edexcel-gcse-number-structure-and-calculation-calculate-exactly-with-fractions-and-multiples-of-foundation-tier.
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    5 mins
  • Algebra - Graphs: identify and interpret roots, intercepts, turning points of quadratic functions graphically; deduce roots algebraically and turning points by completing the square (Higher tier)(Pearson Edexcel GCSE)

    Algebra - Graphs: identify and interpret roots, intercepts, turning points of quadratic functions graphically; deduce roots algebraically and turning points by completing the square (Higher tier)(Pearson Edexcel GCSE)
    Oct 19 2026
    Turn a quadratic from a mysterious curve into a set of marks you know how to earn. Learn to read roots and intercepts, then use completing the square to find exact turning points and explain whether real roots exist. Listen to this audio revision guide for Algebra - Graphs: identify and interpret roots, intercepts, turning points of quadratic functions graphically; deduce roots algebraically and turning points by completing the square (Higher tier). Test your knowledge with interactive exam questions and flashcards at https://masterymind.co.uk/study-guides/mathematics-pearson edexcel-gcse-algebra-graphs-identify-and-interpret-roots-intercepts-turning-points-of-quadratic-functions-graphically-deduce-roots-algebraically-and-turning-points-by-completing-th.
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    5 mins
  • Algebra - Graphs: identify and interpret roots, intercepts, turning points of quadratic functions graphically; deduce roots algebraically (Foundation tier)(Pearson Edexcel GCSE)

    Algebra - Graphs: identify and interpret roots, intercepts, turning points of quadratic functions graphically; deduce roots algebraically (Foundation tier)(Pearson Edexcel GCSE)
    Oct 19 2026
    A parabola is a picture of an equation: its roots, intercepts and turning point reveal exactly what the algebra is doing. This Foundation guide teaches candidates to read those features accurately, factorise simple quadratics and avoid sign errors that cost marks. Download the complete [study-guide JSON](/home/ubuntu/quadratic_graphs_guide/quadratic_graphs_study_guide.json). Listen to this audio revision guide for Algebra - Graphs: identify and interpret roots, intercepts, turning points of quadratic functions graphically; deduce roots algebraically (Foundation tier). Test your knowledge with interactive exam questions and flashcards at https://masterymind.co.uk/study-guides/mathematics-pearson edexcel-gcse-algebra-graphs-identify-and-interpret-roots-intercepts-turning-points-of-quadratic-functions-graphically-deduce-roots-algebraically-foundation-tier.
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    5 mins