Math
Clean multi-step calcs under the clock, growth, margins, breakeven, price–volume, payback.
Trains Quantify · 1:30
Market Sizing
Size a market top-down with assumptions you can defend.
Trains Quantify · 2:00
Structure
Three MECE buckets and where you'd dig first.
Trains Structure · 1:30
Brainstorming
5–7 distinct ideas across at least two dimensions.
Trains Decompose · 1:30
Chart / Exhibit
Read an exhibit, state the 'so what', name the kill-shot datum.
Trains Test · 2:00
Pressure Test
Given a hypothesis and a position, name the one data point whose value would flip it, the kill-shot.
Trains Test · 1:30
Synthesis
Turn 4–5 findings into one answer-first line, the 'so what', not a summary.
Trains Synthesize · 1:15
