FrameLab
    Math for Cases
    IntermediateTips & Tricks

    Math for Cases

    Mental math tips and essential orders of magnitude.

    4 lessons1hAI quizzes included

    Curriculum

    1

    Mental math

    Reflexes, fast multiplication and division, decimals, percentages, compound growth and standard case calculations, with worked exercises.

    45min→
    2

    Orders of magnitude

    The context figures to know (France, Europe, world) and the reflexes to sanity-check an estimate.

    20min→
    3

    Strategic approximations and rounding

    Techniques for smart rounding and minimizing calculation errors in interviews.

    15min→
    4

    Taylor expansions

    Approximation formulas for compound growth, combined effects, and rapid discounting.

    20min→

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