Resources

gre mathematics subject test

I’ve spent a lot of time looking into the various GRE Math Subject Test preparation resources available, both during my own preparation and as part of helping my tutoring clients. As a result, I’ve found that there’s a great deal of variation in the practice material — some resources have just the right level of difficulty, while others may be too easy or too hard. What follows is my own evaluation of how helpful each resource is, so that you can be judicious with how you spend your time (and money) getting ready to ace the test!

Official Practice Tests

Test Prep Books

Textbooks

Online Resources

Official Practice Tests

 

When it comes to preparing for the Math Subject Test, you can’t get better than the practice tests put out by the ETS themselves! These are actual tests given in previous years, and are the best reflection of the way that the questions tend to be asked.

Not all practice tests are created equal, though: In October 2001, the ETS noticed that a large proportion of test takers were receiving perfect scores, so they amped up the difficulty by adding more conceptual questions and diving further into the more advanced topics such as abstract algebra and real analysis. As a result, the tests from before this time are not quite representative of the level of difficulty you can expect from the test nowadays. That being said, they’re still excellent practice for getting your basic skills down pat, so that you have enough time to think through the harder questions.

The newest test is hosted on ETS’s website https://www.ets.org/.  A big thanks to Ian Coley at UCLA for hosting the other practice tests!

Older Tests

GR8767

GR9367

GR9768*
* Note that even though GR9768 says “rescaled”, it was still given before the rescaling occured, so it’s still in the “easier” category of tests.

Newer Tests

GR0568

GR1768*
* This is actually the same test as GR1268, but with the directions updated to reflect that points are no longer deducted for wrong answers.

One more source of official practice material is the “Descriptive Booklet (97-99)” released by the ETS, containing a 35-question miniature practice test.
(I’ve decided to label this practice set as “GRDB67”.)

Solutions to the practice tests can be found at the following pages:

Ian Coley‘s solutions

GR8767  |  GR9367  |  GR9768  |  GR0568  |  GR1768

Brian Sittinger‘s solutions

GR8767  |  GR9367  |  GR9768  |  GR0568  |  GR1768

Charles Rambo‘s solutions

GR9768, GR0568, and GR1768 (Amazon)

Test Prep Books

 

 There are a few books available to prepare for the GRE Math Subject Test. Here is my ranking of these books from most to least helpful.

Princeton Review
Cracking the GRE Mathematics Subject Test (4th Edition)

Author:  Steven LeDuc

Rating:  Great!

If you’re going to spend your money on one resource, this one should be it. The Princeton Review book gives the most comprehensive review available of the majority of topics covered by the GRE test. Each chapter gives an in-depth summary of the various topics, formulas, and theorems, with plenty of examples and exercises sprinkled throughout. While these exercises are not GRE-style multiple choice problems, they are nevertheless worth working through as a refresher. At the end of each chapter is a set of true GRE-style review questions, for which detailed solutions can be found at the back of the book. Finally, there’s a full practice test at the end of the book, as well as solutions. Throughout the book, the GRE-style questions tend to stay true to the “spirit” of the test, containing both relatively routine problems and tougher abstract questions.

The only slight gripe I have with this book is that there are a few topics that are underrepresented in the book. Most notably, there is absolutely nothing on ideals of rings or uniform continuity/convergence, which I have seen show up on a number of Math Subject Tests, and there are a few minor topics are left out of other sections such as multivariable calculus and linear algebra. That being said, as long as you thoroughly review ideals and uniform continuity/convergence and refresh on the other topics mentioned on your own, you should hit all of the main concepts you’ll need to know for the test.

You can buy this book on Amazon, as well as find it at many retailers.  Definitely worth it!

Rambo Tutoring
Practice for the GRE Math Subject Test: One Practice Test and Solutions (1st Edition)

Author:  Charles Rambo

Rating:  Great!

Charles Rambo has created a full-length practice test of excellent quality.  You can actually get the practice test and answers for free on his website, but purchasing the book (on Amazon) will get you full solutions to each problem.  The questions are very much in line with the topics, difficulty, and overall “feel” of the GRE — it was clearly inspired by the GR0568 and GR1768 practice tests.

There are a couple of instances where I feel like the solution presented would be too time-consuming during the GRE, and one instance of an early question (#14) that I think turned out to be much harder than he realized (and the solution given doesn’t really do much to demystify it).  Even with these minor flaws, though, it’s great to have an extra practice test that so closely matches the real thing.

Would recommend!

GP Group
SubjectMath.com Practice Tests (2017 Edition)

Author:  Gilad Pagi

Rating:  Okay.

SubjectMath.com is a site that offers a complete course in GRE Math Subject Test Preparation. The owner of the site, Gilad Pagi, has also created two practice tests that are for sale on Amazon. Each practice test is formatted to be very similar to the actual test, including the amount of area usually reserved for scratch work, and is then followed by detailed solutions to each question. While these books certainly aren’t the worst I’ve seen (that honor goes to REA!), they do unfortunately suffer from their share of flaws.

The main issue with these materials is in the level of difficulty. Generally, on the actual GRE, the questions start off relatively easy and on average get progressively harder as the test goes on. The SubjectMath.com tests, on the other hand, just go from hard to harder. Most of the questions seem deliberately designed to be intensely laborious to calculate unless one notices a clever “trick” (which the solution guide often mentions is covered in the online courses). While it’s certainly useful to have some tricks up your sleeve, in reality you don’t need one for every problem. My biggest issue in particular is how often questions have “(E) None of the above” as an answer choice. The actual GRE has almost never used this as an answer choice since at least form GR9768 (except sometimes on the I/II/III questions), and by including this as an answer choice, it becomes much harder to use process of elimination — arguably one of the most vital test strategies! — to arrive at a correct answer. One last minor issue is that the questions can sometimes be needlessly verbose, and often there’s gratuitous notation and obfuscated expressions thrown in that just make the questions artificially harder.

SubjectMath’s practice tests do have their value though. They may not be the best books for the average test-taker, but if you’re looking to do a sort of “strength training” to raise your already-good score a few percentile points by doing more challenging problems, these practice tests may be useful to you.

REA
GRE Mathematics (GRE Test Preparation) (5th Edition)

Authors:   O. P. Agrawal, T. Elsner, J. Robertson, J. W. Samples, J. T. Wilson

Rating:  Poor.

This book seems at first glance it would be a Math Subject Test review powerhouse — after all, it boasts six whole practice tests. But don’t be fooled:  this book is not worth the money. Like the Princeton Review book, the first half of the REA book contains a review of topics, formulas, and theorems. However, the depth of presentation is all over the place, with some topics barely touched on at all and others going entirely too far. The Numerical Analysis section in particular goes into an excruciating amount of depth — 30 pages worth of Lagrange interpolation, Bernstein polynomials, and splines! Imagine my own reaction when I dutifully reviewed all of these topics, just to find that absolutely none of these topics were on a single GRE I ever took.

Then you get to the six practice tests. From the get-go, you encounter topics that not only are never seen on the Math Subject Test, but weren’t even covered in the preliminary review. I can say with 99.9% confidence that you’ll never see fringe topics like the height of a polynomial, the minimax solution to a matrix game, or the Laplace transform of a function show up on an actual Math Subject Test. There are still plenty of questions that do stick to the GRE topics, but these also vary greatly in quality — some are right on point, whereas others are either entirely too easy or way too hard. Add to that the numerous errors and atrocious mathematical typesetting throughout the book, and you’ll find that you’d spend more time trying to decipher this book’s contents than preparing for the test.

In sum: don’t waste your money.

Textbooks

 

To get an even more thorough review of specific GRE Math Subject Test topics, it’s often helpful to go back to the textbooks themselves for loads of practice problems. While everyone has their own favorite textbooks*, what follows are my suggestions for which textbooks give the best review for the GRE.

I have not included any particular “editions” for these — any version you can get your hands on will do. (If you can borrow one from a friend, even better — textbooks are expensive!)

 

Calculus (Early Transcendentals) by James Stewart

Not only does Stewart’s powerhouse of a calculus book cover both single-variable and multivariable/vector calculus, but it has appendices that provide just enough precalculus review and even a chapter on second-order differential equations. The last number of exercises for each section also provide some meaty problems that can develop the skills and intuition needed to solve the toughest calculus problems on the GRE. Considering that calculus makes up a whopping halfof the test, if you want only one textbook from which to pull lots of exercise, this is the one you want.

Differential Equations and Linear Algebra by Stephen W. Goode and Scott A. Annin

Why get separate textbooks for Differential Equations and Linear Algebra when you can have two in one? Goode and Annin  beautifully link the two subjects (which too often are studied separately) together, while providing plentiful practice problems in each subject individually. One thing I particularly like is the set of True/False questions at the end of each section — essential practice for the I/II/III questions on the GRE.

Contemporary Abstract Algebra by Joseph A. Gallian

Gallian’s text has plentiful examples and diagrams throughout the text to help build intuition for the various algebraic structures and their properties. These examples are well organized, often being summarized in tables for quick reference. The exercises are just as numerous, but most strikingly, there are answers at the back of the book for the odd exercises, even including sketches and hints for the proofs — somewhat of a rare occurrence for a proof-based book, but undoubtedly useful!

Introduction to Topology: Pure and Applied by Colin Adams and Robert Franzosa

Not only do Adams and Franzosa give clear presentations and explanations of the definitions in point-set topology, but they provide plenty of illustrated geometric examples from both familiar and unfamiliar spaces, more than I’ve seen in many other books on the subject. The first half of the book (through Chapter 7) is really all you need to be ready for the Math Subject Test, and while the exercises are more on the proof-heavy side, they’re certainly doable.

A Problem Book in Real Analysis by Asuman G. Aksoy and Mohamed A. Khamsi

Finding a good real analysis textbook for GRE review was one of the toughest parts of writing this list; many analysis books are drowning in notation and light on examples as you wade through proof after proof trying to find the nuggets of information you need to study.  Aksoy and Khamsi’s book, on the other hand, is perfect for this purpose.  Each section begins with a bulleted review of key definitions and theorems, and the problems that follow give immediate practice with the kinds of examples you want to have on quick recall for the GRE.  The best part is that a full solution is given for every single problem at the end of each chapter!

A First Course in Complex Analysis with Applications by Dennis G. Zill and Patrick D. Shanahan

Zill and Shanahan’s introduction to complex analysis was born from a much larger engineering textbook on which Zill was also an author. As a result, their text feels less like an analysis book and more like a calculus book, just where the complex numbers are now the object of study. There is no shortage of problems, from routine exercises (much like the ones you’d see as actual GRE problems) to deeper explorations to really make sure you understand the concepts. Answers to most odd problems are provided at the end.

Discrete Mathematics and Its Applications by Kenneth H. Rosen

This book is another powerhouse. In just one book, Rosen covers such topics as logic, set theory, algorithms, number theory, combinatorics, discrete probability, and graph theory — all of which are likely to show up throughout the Math Subject Test. Numerous examples, tables, and exercises round out each section. There’s even an appendix dedicated to understanding pseudocode algorithms. Definitely one of the best textbooks for preparation!

Introduction to Probability by Charles M. Grinstead and J. Laurie Snell

Grinstead and Snell’s book goes just far enough into probability (including the calculus-based foundations) to get you through the GRE, without going too far off the deep end into topics you won’t need. The examples and problems at the end of each section closely resemble the sorts of probability problems you’re likely to see on the GRE.

Schaum’s Outlines

These books are excellent sources of problems in many of the GRE topics (with worked solutions!), containing both routine computations and proofs of important concepts, including some that may be left out of the above books. The ones I have found are most helpful are Advanced CalculusComplex VariablesDiscrete Mathematics, General Topology, and Linear Algebra.

* If you’re used to textbooks of a more traditional and theoretical nature, you may find some of my choices of textbooks surprising. Where’s Spivak? Apostol? Dummit & Foote? Rudin? While these authors’ books may be good for a rigorous, proof-based grounding in mathematics, the GRE is not about proofs. It’s about calculation, examples, and good intuition — you either know it or you don’t. The books I’ve selected above may not always be the “proofiest”, but they have clear explanations, abundant examples and visualizations, and loads of relevant practice.

Online Resources

 

Here are some other websites that may prove helpful in reviewing for the GRE Math Subject Test.

 mathematicsgre.com

This forum is an excellent source of advice about not only preparing for the GRE but also navigating the treacherous waters of applying to graduate school in mathematics. If you have questions about preparing your application, getting letters of recommendation, deciding between a master’s or a PhD, or anything in between, this is the place to ask.

UCSB GRE Seminar

This page contains lecture notes by Dr. Padraic Bartlett at the University of California, Santa Barbara, for a Math 94: GRE Seminar class. The page contains notes on many of the GRE topics, as well as a slightly shorter practice test with original practice problems.

Rambo Tutoring

Charles Rambo is a math tutor in North San Diego County. On his GRE page, you can find his solutions to GRE Math Subject Tests, as well as a full-length practice test with original practice problems. His site also hosts the UCLA GRE Bootcamp Problems that used to be on Dr. Charlie Marshak’s page (which is now unfortunately defunct).

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