Lessons

Intro to the GRE

• General Introduction 6:03
• What's on the GRE? 5:05
• Math Section Breakdown 3:59
• Verbal Section Breakdown 4:23
• Scoring Range 2:06
• Computer Adaptive Testing 2:53
• Skipping Questions and Pacing 8:19
• Study Plans and Resources 3:04
• Stress Management 8:29
• Test Day 4:07

General Math Strategies

• Intro to GRE Math 5:21
• Mental Math: GRE Estimation 4:50
• Mental Math: Dividing by 5 2:49
• Mental Math: Doubling and Halving 6:08
• Mental Math: Squaring Shortcuts 12:26
• Number Sense 10:35
• The Use and Abuse of Formulas 2:52
• Learn from Your Mistakes 4:43
• Intro to Quantitative Comparison 13:29
• QC Strategies - Estimation 10:40
• QC Strategies - Matching Operations 7:53

Arithmetic and Fractions

• Properties of Real Numbers 8:25
• Positive and Negative Numbers - I 6:00
• Mental Math, Addition, and Subtraction 6:19
• Positive and Negative Numbers - II 7:44
• Order of Operations 11:26
• Intro to Decimals 11:28
• Rounding 6:23
• Multiples of 10 9:45
• Intro to Fractions 11:10
• Conversions: Fractions and Decimals 8:14
• Fraction Properties - I 8:36
• Comparing Fractions 13:54
• Operations with Fractions 8:23
• Fraction Properties - II 7:57
• Mixed Numerals and Improper Fractions 10:30
• Operations with Proportions 6:36
• Word Problems with Fractions 3:37

Percents and Ratios

• Intro to Percents 5:27
• Working with Percents 3:35
• Number Sense and Percents 4:23
• Percent Increases and Decreases 10:35
• Sequential Percent Changes 6:53
• Simple and Compound Interest 13:59
• Intro to Ratios 9:57
• Combining Ratios 5:39
• Ratios and Rates 6:15

Integer Properties

• Divisibility 10:12
• Divisibility Rules 8:02
• Multiples 9:51
• Prime Numbers 6:28
• Prime Factorization 8:17
• Counting Factors of Large Numbers 12:15
• Squares of Integers 5:30
• Greatest Common Factor 5:57
• Least Common Multiple 9:18
• GCD LCM Formula 5:32
• Even and Odd Integers 10:07
• Testing Cases 6:02
• Consecutive Integers 10:26
• Remainders 11:40
• Integer Properties Strategies 6:33

Algebra, Equations, and Inequalities

• Intro to Algebra 7:56
• Simplifying Expressions 6:32
• Multiplying Expressions 7:52
• FOIL Method 8:50
• Factoring - GCF 5:10
• Factoring - Difference of Two Squares 12:01
• Factoring - Quadratics 7:50
• Factoring - Combined 4:25
• Advanced Numerical Factoring 7:09
• Factoring - Rational Expressions 5:11
• Basic Equation Solving 6:19
• Eliminating Fractions 9:11
• Quadratic Equations 8:04
• Two Equations, Two Unknowns - I 7:58
• Two Equations, Two Unknowns - II 10:22
• System - Number of Solutions 7:21
• Three Equations with Three Unknowns 9:00
• Absolute Value Equations 10:23
• Function Notation 12:50
• Strange Operators 7:46
• Inequalities - I 13:55
• Inequalities - II 11:07
• Absolute Value Inequalities 4:47
• Simplifying with Substitutions 5:26

Word Problems

• Intro to Word Problems 1:37
• Assigning Variables 6:24
• Writing Equations 7:42
• Number of Variables 8:23
• Age Questions 5:02
• Intro to Motion Questions 9:22
• Average Speed 10:19
• Multiple Traveler Questions 5:45
• Shrinking and Expanding Gaps 11:16
• Work Questions 9:34
• Growth and Decay 4:01
• Mixture Questions 10:00
• Intro to Sets and Venn Diagrams 9:55
• Double Matrix Method 9:23
• Three Criteria Venn Diagrams 7:49
• Intro to Sequences 7:48
• Arithmetic Sequences 8:24
• Recursive Sequences 10:23
• Inclusive Counting 4:34
• Sums of Sequences 5:44
• Backsolving 7:51
• Intro to VICs 10:51
• VICs - Algebraic Approach 6:54
• VICs - Picking Numbers 17:07

Powers and Roots

• Intro to Exponents 9:10
• Exponential Growth 8:39
• Law of Exponents - I 12:47
• Negative Exponents 11:02
• Law of Exponents - II 10:42
• Units Digit Questions 7:30
• Square Roots 14:53
• Other Roots 11:52
• Properties of Roots 4:05
• Simplifying Roots 8:31
• Operations with Roots 12:41
• Equations with Square Roots 9:43
• Fractional Exponents 7:13
• Exponential Equations 6:56
• Rationalizing 13:54
• Working with Formulas 10:25

Geometry

• Lines and Angles 16:06
• Triangles - Part I 11:32
• Assumptions & Estimation 7:33
• Geometry Strategies - Part I 3:44
• Triangles - Part II 17:37
• Right Triangles 13:54
• Similar Triangles 11:27
• Special Right Triangles 15:51
• Quadrilaterals 17:35
• Area of Quadrilaterals 6:33
• Polygons 7:30
• Regular Polygons 7:08
• Circles 6:03
• Circle Properties 12:21
• Circles, Arcs, and Sectors 8:08
• Volume and Surface Area 12:42
• Units of Measurement 8:05
• Geometry Strategies - Part II 4:14

Coordinate Geometry

• The Coordinate Plane 7:14
• Graphing Lines 5:19
• Vertical and Horizontal Lines 6:54
• Slope 14:30
• Intercepts 5:46
• Slope-Intercept Form 8:18
• Writing Equations of Lines 11:35
• Distance Between Two Points 8:00
• Reflections in the x-y Plane 9:39
• Graphs of Quadratics 7:42

Statistics

• Mean, Median, Mode 9:32
• More on Mean and Median 4:34
• Weighted Averages 12:11
• Range and Standard Deviation 16:06
• More Standard Deviation 17:25
• Normal Distribution 11:06
• Quartiles and Boxplots 13:33
• More on Boxplots 5:39
• Percentiles 9:09

Counting

• Introduction to Counting 4:22
• Fundamental Counting Principle 7:40
• FCP with Restrictions 4:36
• Factorial Notation 4:05
• Alternative Methods 8:57
• Counting with Identical Items 9:25
• Eliminating Repetition 5:36
• Combinations 7:53
• When to Use Combinations 9:14
• Calculating Combinations 5:37
• Permutations and Combinations 8:22
• Counting Strategies 3:17

Probability

• Intro to Probability 5:59
• Complementary Events and Simple Rules 3:22
• Mutually Exclusive Events 2:33
• Probability of Event A OR Event B 3:50
• Examples of the OR Rule 2:02
• Independent Events 6:26
• Examples of the AND Rule 4:44
• Generalized AND Rule 3:52
• Examples of Generalized AND Rule 7:05
• Binomial Situation 8:40
• The "At Least" Scenario 6:25
• Analyzing Questions 8:47
• Using Counting Techniques 5:14
• Listing vs Counting vs Probability Rules 6:31
• General Probability Strategies 4:39
• Guessing Strategies 5:50

Data Interpretation

• Intro to Data Interpretation 2:12
• Data Interpretation Strategy 8:56
• Types of DI Graphics 12:13
• Scatter Plots 10:10
• Unconventional Graphs 10:32

Advanced QC Strategies

• QC Questions & Inequalities 12:55
• QC Strategies - Picking Numbers 18:02
• QC Questions & Algebra 10:25
• QC Questions & Geometry 15:26
• QC Questions & Integer Properties 14:30
• Summary of QC Strategies 4:49

Text Completion - Overview

• Intro to Text Completion 4:18
• Elimination Method 6:30
• Understanding the Sentence 4:33
• Difficult Words 9:38
• Simplifying Complex Sentences 6:24
• Testing the Answer Choices 3:30

Text Completion - No Shifts

• Intro to No Shift Sentences 3:37
• Cause and Effect 5:01
• Elaboration Sentence 4:18
• Apposition 2:59

Text Completion - Sentence Shifts

• Intro to Sentence Shifts 4:25
• More Reversers 2:10
• Double Shifts 3:29
• Time Shifts 4:14
• Shifts in Perception 2:47
• Multiple Shifts 4:28
• False Contrast 7:41
• Deviating from the Norm 5:29
• Reverse Apposition 2:44

Text Completion - Double Blanks

• Intro to Double Blank Sentences 7:05
• Multiple Sentences 7:15
• Relationship between Blanks 3:09
• Back to Back Blanks 5:16
• Other Blank is the Clue 5:24
• Advanced Double Blanks 5:29

Text Completion - Triple Blanks

• Intro to Triple Blank Sentences 4:59
• Long Triple Blank Sentences 5:10
• Beware of Counter Intuitive Choices 3:20
• One Sentence Triple Blank 7:40
• Advanced Triple Blanks 9:17
• Hidden Clues 3:50
• Multiple Word Answers 4:02
• Working Backwards 6:18

Sentence Equivalence

• Intro to Sentence Equivalence 3:05
• Synonymous Sentences - I 4:40
• Synonymous Sentences - II 4:47
• Read Carefully - I 2:55
• Read Carefully - II 2:39
• Difficult Words in Sentence Equivalence 4:15

Vocabulary

• Intro to Vocabulary 7:18
• Flashcards 4:56
• Word Roots 11:06
• Mnemonics 8:44
• Reading in Context 10:46
• Active Usage 8:12
• Vocabulary Games 8:45
• The Thesaurus 3:02
• Vocabulary in Questions 2:07
• Obscure Vocabulary 3:17
• Improving Verbal Score 8:59

Reading Comprehension

• Intro to Reading Comprehension 8:04
• The Short Passage 8:19
• Active Reading 17:21
• How to Answer a GRE Question 8:00
• Answer Traps 12:39
• Primary Purpose 7:29
• Inference Questions 9:13
• Detail Questions 5:44
• Vocabulary-In-Context 5:44
• Select the Sentence 3:31
• Multiple Answer Questions 7:46
• Multiple Answer Questions - Inference 8:04
• Structure Questions 5:36
• Advanced Question Types 6:20

Paragraph Argument

• Elements of the Argument 6:59
• Weakening the Argument 14:13
• Strengthening the Argument 5:55
• Assumption Questions 9:11
• Wrong Answer Choices 6:45
• The Paradox Argument 4:40
• Bold-faced Arguments 13:05
• Don’t Forget the Conclusion 4:44
• Eliminating All the Answers 6:35
• Numbers vs. Percents 3:05

AWA Basics

• Intro to AWA 5:56
• Essay Organization 3:05
• Writing Tips 12:30
• Time Management 4:57

Issue Task

• Intro to Issue Task 7:48
• Issue Task Example 12:23

Argument Task

• Intro to Argument Task 3:26
• Logical Fallacies 9:23
• Argument Task Brainstorming 6:14
• Argument Task Example 9:07