Percents are a high-frequency topic on the GRE Quant section. While the calculator is available, top scores come from using smart, efficient methods. This guided path will teach you the core concepts and strategic shortcuts needed for success.
Start with the basics. Practice converting between percents, fractions, and decimals to build a solid foundation.
Master the fundamental algebraic skill: solving for the Part, the Percent, or the Whole. This is the engine for all word problems.
The GRE loves this concept. See why a +X% and a -X% change don't cancel out, a key insight for Quantitative Comparison questions.
Now that you understand the trap, learn the specific formulas required to perfectly reverse an initial percent increase or decrease.
Learn to solve GRE QC questions by focusing on conceptual shortcuts and manipulation instead of slow, brute-force calculation.
Review the most common percent-to-fraction equivalents, then test your memory with an interactive flashcard quiz to boost your calculation speed.
Memorize the direct fractional multipliers for common percent changes to solve problems faster than with a calculator.
Memorize the multipliers for decreases.
Master the powerful 'a% of b = b% of a' rule to simplify complex calculations like "32% of 50" into easy mental math.
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