The Fractions, Decimals, & Percents Guide delves into all the surprisingly tricky ways to represent and test part-whole relationships on the GMAT. It covers not only fundamental principles and techniques but also nuanced strategies for handling tough GMAT problems that involve fractions, decimals, and percents.

All of Manhattan Prep’s GMAT Strategy Guides are aligned with both the 2015 Edition and 13 th Edition GMAC Official Guide.

ISBN: 978-1-935707-63-9

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Online Resources

Your online resources will be activated immediately after your purchase and available for one year from that date. You can access these resources through the Manhattan GMAT Student Center after you receive your confirmation email.

  • 6 Computer Adaptive Practice Exams

    These online exams simulate the real GMAT exam and test you on the most up-to-date GMAT content. Problems include comprehensive answer explanations which demonstrate how experts tackle each question. Each test is completely unique and provides you with an in-depth assessment report that can be used to determine your strengths and weaknesses.

  • The Fractions, Decimals, & Percents Online Question Bank

    All questions included in this bank (25 total) draw from the subject of The Fractions, Decimals, & Percents and are written by Manhattan GMAT's expert Instructors. All Manhattan GMAT question banks include questions of varying difficulty levels.

Chapter by Chapter

  1. Digits & Decimals

    Digits; Decimals; Place Value; Rounding to the Nearest Place Value; Adding Zeroes to Decimals; Powers of 10: Shifting the Decimal; Decimal Operations

  2. Fractions

    Numerator and Denominator Rules; Simplifying Fractions; Converting Improper Fractions to Mixed Numbers; The Multiplication Shortcut; No Addition or Subtraction Shortcuts; Dividing Fractions: Use the Reciprocal; Division in Disguise; Comparing Fractions: Cross-Multiply; Never Split the Denominator

  3. Percents

    Percents as Decimals: Multiplication Shortcut; Percent, Of, Is, What; Percent Increase and Decrease; Percent Change vs. Percent of Original; Successive Percents; Interest Formulas

  4. Ratios

    Label Each Part of the Ratio with Units; Proportions; The Unknown Multiplier; Multiple Ratios: Make a Common Term

  5. FDPs

    Common FDP Equivalents; Converting Among Fractions, Decimals, and Percents; When to Use Which Form

  6. FDP Strategies

    Data Sufficiency Basics; What Does “Sufficient” Mean?; The DS Process; Putting It All Together; Putting It All Together (Again); Concrete Values vs. Relative Values; Smart Numbers: Multiples of the Denominators; When Not to Use Smart Numbers; Smart Numbers: Pick 100; Benchmark Values

  7. Extra FDPs

    Repeating Decimals; Terminating Decimals; Using Place Value on the GMAT; The Last Digit Shortcut; Unknown Digits Problems; Formulas That Act on Decimals; Chemical Mixtures; Percents and Weighted Averages; Percent Change and Weighted Averages; Estimating Decimal Equivalents

  8. Appendix A: Official Guide Problem Sets

    Official Guide Problem Sets; Problem Solving set; Data Sufficiency Set

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