GRE Online Math Tutor (Juan Castaneda, MS)


The Multiplication Table

Factored Integers

The Circle


Dilations Around Points



Complex Numbers

Stirling Numbers

Numbers as Boolean Functions

Calculator TI-89

Tower of Hanoi

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Graduate Record Examination (GRE) Online Math Tutoring

"Hi Juan I ended up meeting my requirements in math on the GRE. Thanks for all your help!"
Anna F.

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GRE Free Practice Exams
  • Manhattan Prep GRE Practice Test
    Web based. You go through a start link, and a $0 purchase form. Then you have to create a user account to access this free test. There are two quantitative sections with 20 questions each. This test is timed, with 35 minutes per section. The Math Only option is not available with the free test, so you have to go throught the English portions to get to the math questions. It shows you the right answers with explanations at the end.
  • McGraw Hill Education - Prep Center for the GRE
    Web based. A link opens the test menu. There are: one Diagnostic test (1) and five Practice tests (2 - 6). Each test has two quantitative sections, with 20 questions per section. The test menu takes a little while to load. This tests are timed, with 35 minutes per quantitative section. You can review your answers at the end of each test.
  • GRE Guide - Free GRE Full Length CBT Tests - (20 tests)
    This page has a list of 20 links. Each one opens a different GRE practice test with four sections, two on Verbal Reasoning, and two on Quantitative Reasoning. Each section has 20 questions to be answered within 30 minutes. Each questions comes with a little clock that shows how long you have spent on that question. At the beginning of each test the browser checks on your system to let you know if there is an available update of Adobe Flash Player for you to install.
  • > GRE General Exam - practice test
    Web based. This page has three checkboxes that allow you to select any combination of sections for GRE practice (Analytical / Quantitative / Verbal). The quantitative exam comes with 23 questions, and it gives you a % score at the end. It lets you edit your answers before it scores the test. It allows you to save a partially answered exam, and continue it later, in case you are short on time. It also lets you see the right answers to the questions you got wrong.

GRE Prep Books

GRE Math Reference Documents - Guides and Tutorials
  • ETS - GRE Math Conventions
    This document describes the mathematical notation used in the test. It also explains in detail the things you can safely assume throughout the test's quantitative section, as well as those assumptions you cannot make and need to avoid.




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Last review: July 28, 2017