Math
Clean multi-step calcs under the clock, growth, margins, breakeven, price–volume, payback.
Trains Quantify · 1:30
Market Sizing
Size a market 14 ways: top-down, bottom-up, supply-side, segmented, triangulated, stress-tested.
Trains Quantify · 2:00
Structure
Frame a problem: MECE buckets, a falsifiable hypothesis, a driver tree, the data you'd ask for.
Trains Structure · 1:30
Brainstorming
5–7 distinct ideas across at least two dimensions.
Trains Decompose · 1:30
Chart / Exhibit
Read an exhibit: the 'so what', the kill-shot datum, and what the table isn't showing you.
Trains Test · 2:00
Pressure Test
Attack a recommendation: the kill-shot datum, the hidden assumptions, the second-order effect.
Trains Test · 1:30
Synthesis
Turn 4–5 findings into one answer-first line, the 'so what', not a summary.
Trains Synthesize · 1:15
