Quick maths
Ten timed questions on raw arithmetic: big multiplications, percentages and fractions.
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Size a market from the population down, one defensible assumption at a time.
Build a market from the supply side: capacity, utilisation and price.
Read a chart fast, pull out the number that matters and avoid the tempting wrong conclusion.
Find the insight in a dense table: margins, shares and the segment driving the change.
Catch the implausible number before the client does.
Need the method first? Every topic links to the lesson that teaches it.
Open the courseYour progress
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Up next: Top-down sizing
Size a market from the population down, one defensible assumption at a time.
Build a market from the supply side: capacity, utilisation and price.
Read a chart fast, pull out the number that matters and avoid the tempting wrong conclusion.
Find the insight in a dense table: margins, shares and the segment driving the change.
Catch the implausible number before the client does.