## The GMAT/MBA Library

Explore the world's largest collection of GMAT prep and MBA admissions content.

#### When to Use Your ‘Natural Number Sense’—And When Not To

Many people struggle with math anxiety or outright math phobia, but the reality is that we’re all born with an innate “number sense.” On some [...]

#### GMAT Sample Questions for You to Practice

Test your GMAT skills with these practice problems.

#### What Math Is on the GMAT? Topics, Questions, and Review

This guide will show you what math is on the GMAT, along with key tips on how to prepare.

#### Absolute Value Inequalities

Learn how to tackle this difficult question category that appears only infrequently on the GMAT.

#### Know the GMAT Code: Working Backwards – Part 2

Don't miss Stacey's key takeaways for Knowing the Code for working backwards.

#### Know the GMAT Code: Working Backwards

To get a really high score on this test, you’ve got to Know the Code in order to get through the questions efficiently.

#### Master These GMAT Math Skills

Accept the challenge to master GMAT math.

#### The GMAT Official Guide 2018 Edition – Part 2

Review the new Data Sufficiency problems in OG 2018.

#### Consider Algebra, Not Arithmetic

Use the right strategy, consider the algebraic approach instead.

#### How to Add Multiples on the GMAT

Apply the right rule to solve these questions quickly.

#### The GMAT Avengers Challenge of the Week: Algebra – Part 2

Can you solve this week's Avengers challenge?

#### The GMAT Avengers Challenge of the Week: Algebra – Part 1

Can you solve this week's Avengers challenge?

#### Know the GMAT Code: Story Problems

Learn how the GMAT test writers hide information in plain sight and get you to fall into traps.

#### Know the GMAT Code: Translation Traps

Know the GMAT code and avoid translation traps.

#### The GMAT Avengers Challenge of the Week: Inequalities – Part 2

Can you solve this week's Avengers challenge?