101GMAT 101

THE LIBRARY

Strategy

Make every minute work for you.

5 lessons

14
Strategy 4 min

Mental Math and Estimation

Reduce arithmetic time with structured transformations and estimate before over-calculating.

↗15
Strategy 4 min

Fraction-Decimal Anchors

Recall common fraction-decimal-percent equivalents to compare values and estimate quickly.

↗16
Strategy 4 min

Roots, Squares and Cubes

Use common roots and perfect powers as numerical anchors for comparison, simplification, and estimation.

↗20
Strategy 4 min

Backsolving and Picking Numbers

Use answer choices or clean test values to replace unnecessary algebra when the structure allows it.

↗32
Strategy 4 min

Test-Day Reset

Recover from confusion by rechecking the question, relevant information, units, and quickest reliable method.

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