Marketing Math Gym

For everyone who's ever thought: “I freeze on the numbers — LTV, CAC payback, ROAS math.”

Worked examples with backward fading (Renkl & Atkinson 2003).

Each ladder starts fully worked — you just read. Then the last step goes blank, then two, until you're doing the whole chain from scratch with fresh numbers every time. Use a calculator; professionals do. The skill is the setup, not the arithmetic.

CAC & Payback

From 'what did a customer cost?' to 'how long until they pay us back?'

5 rungs

ROAS, MER & Breakeven

Revenue-per-dollar sounds like profit until margin walks in. Learn where the line really is.

6 rungs

Funnel Math

Multiply your way down a funnel — then run it backwards to plan a launch.

5 rungs