The Math Behind Every Decision

Think in Expected Value

Judge decisions by what they earn over time, not by what happened this one time.

Reviewed by StackedPoker Theory TeamUpdated 1 min readbeginnerThe Math Behind Every Decision
Time

16 min

Steps

18

Module

The Math Behind Every Decision

What "Think in Expected Value" teaches

Judge decisions by what they earn over time, not by what happened this one time.

It sits inside The Math Behind Every Decision: Learn how risk, reward, probability and long-term value determine the right poker decision.

What you'll learn

  • Expected value
  • Positive ev
  • Negative ev
  • Zero ev
  • Decision quality

How the interactive lesson works

The full lesson is 18 steps long. Each step asks you to commit to a decision before the answer is revealed, then explains why the correct line works — the reveal is what makes the concept stick.

Create a free account to play through it and keep your progress, XP and concept mastery.

Start the interactive lesson

The full 18-step version is free to start with a StackedPoker account. Your progress, XP and concept mastery are saved as you go.

Open the lesson

Frequently asked questions

What does the "Think in Expected Value" lesson cover?

Judge decisions by what they earn over time, not by what happened this one time. It runs 18 interactive steps and takes about 16 minutes.

How long does "Think in Expected Value" take?

About 16 minutes across 18 steps. Progress is saved after every step, so the lesson can be finished across several sittings.

Do I need an account to take this lesson?

Yes — the interactive version requires a free StackedPoker account so your progress, XP and concept mastery are saved. This page is the free public overview of what the lesson teaches.

Which module is "Think in Expected Value" part of?

It is part of The Math Behind Every Decision — 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.

Concepts, lessons and tools that build on this page.

Source: Lesson metadata and objectives come from the StackedPoker curriculum; any theory shown is quoted from the StackedPoker concept registry.