Poker course

The Math Behind Every Decision

Learn how risk, reward, probability and long-term value determine the right poker decision.

Reviewed by StackedPoker Theory TeamUpdated 2 min readbeginner

What The Math Behind Every Decision covers

Learn how risk, reward, probability and long-term value determine the right poker decision.

Learn how risk, reward, probability and long-term value determine the right poker decision.

Learning objectives

  • Price a call using pot odds and required equity
  • Count outs and estimate drawing probability under time pressure
  • Reason in expected value, fold equity, and equity realization

Lessons in this module

The Price of a Call
Every call is a risk-versus-reward decision — learn to price it before you look at your cards.
Count Your Ways to Win
Turn your outs into a real probability — and learn why the quick shortcuts are only estimates.
Your Share of the Pot
Equity only exists relative to an opponent — hand, range, or another range.
Think in Expected Value
Judge decisions by what they earn over time, not by what happened this one time.
Winning Without Showdown
A bet can profit two ways — by winning at showdown, or by ending the hand before it gets there.
Equity Isn't Everything
Learn why having equity and actually capturing it are two different things.
Decision Lab
Three real hands. Every tool from this module, working together.

Key takeaway

The Math Behind Every Decision is 7 lessons and roughly 102 minutes of interactive work. Learn how risk, reward, probability and long-term value determine the right poker decision.

Every lesson in The Math Behind Every Decision

  1. The Price of a CallEvery call is a risk-versus-reward decision — learn to price it before you look at your cards.10 steps · 12 min
  2. Count Your Ways to WinTurn your outs into a real probability — and learn why the quick shortcuts are only estimates.15 steps · 14 min
  3. Your Share of the PotEquity only exists relative to an opponent — hand, range, or another range.8 steps · 13 min
  4. Think in Expected ValueJudge decisions by what they earn over time, not by what happened this one time.18 steps · 16 min
  5. Winning Without ShowdownA bet can profit two ways — by winning at showdown, or by ending the hand before it gets there.12 steps · 14 min
  6. Equity Isn't EverythingLearn why having equity and actually capturing it are two different things.18 steps · 18 min
  7. Decision LabThree real hands. Every tool from this module, working together.18 steps · 15 min

Frequently asked questions

What is the The Math Behind Every Decision courseModule?

Learn how risk, reward, probability and long-term value determine the right poker decision. It contains 7 interactive lessons and takes about 102 minutes to complete.

How long does The Math Behind Every Decision take?

About 102 minutes in total, split across 7 lessons you can take one at a time.

Is The Math Behind Every Decision free?

Yes — this module is included on the free StackedPoker plan.

Concepts, lessons and tools that build on this page.

Source: Module structure and lesson list come from the StackedPoker curriculum.