Intro to GRE Math 6:04
Mental Math: GRE Estimation 7:55
Mental Math: Dividing by 5 2:49
Mental Math: Doubling and Halving 10:03
Mental Math: Squaring Shortcuts 12:26
Number Sense 10:41
The Use and Abuse of Formulas 2:52
Learn from Your Mistakes 10:32
Intro to Quantitative Comparison 13:09
QC Strategies - Estimation 10:08
QC Strategies - Matching Operations 7:53
Plugging In Overview 8:00
Plugging In for Integer Properties 4:36
Plugging In for Percents 7:32
Plugging In for Word Problems 7:29
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 10:10
Order of Operations 11:26
Intro to Decimals 11:28
Rounding 6:19
Multiples of 10 9:45
Intro to Fractions 11:10
Conversions: Fractions and Decimals 8:14
Fraction Properties - I 8:35
Comparing Fractions I 10:25
Comparing Fractions II (Advanced) 10:34
Operations with Fractions 8:22
Fraction Properties - II 7:57
Mixed Numerals and Improper Fractions 10:30
Operations with Proportions 6:36
Word Problems with Fractions 3:37
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 11:17
Ratios and Rates 6:15
Divisibility 10:10
Divisibility Rules 8:01
Multiples 9:54
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
Remainders 11:40
Integer Properties Strategies 6:33
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 9:35
Simplifying with Substitutions 5:26
Intro to Word Problems 1:37
Assigning Variables 9:14
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 9:04
Shrinking and Expanding Gaps 12:00
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 7:32
Consecutive Integers 9:52
Backsolving 7:51
Picking Numbers 12:56
Intro to Exponents 9:09
Exponential Growth 8:39
Law of Exponents - I 12:46
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 7:53
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
Lines and Angles 16:06
Triangles - Part I 11:32
Assumptions & Estimation 7:31
Geometry Strategies - Part I 3:44
Triangles - Part II 14:54
Right Triangles 13:54
Similar Triangles 11:27
Special Right Triangles 11:59
Quadrilaterals 17:35
Area of Quadrilaterals 6:30
Polygons 7:30
Regular Polygons 7:08
Circles 6:03
Circle Properties 12:02
Circles, Arcs, and Sectors 6:39
Volume and Surface Area 12:15
Scale Factor and Scaling 8:21
Units of Measurement 8:05
Geometry Strategies - Part II 4:14
The Coordinate Plane 7:14
Graphing Lines 5:19
Vertical and Horizontal Lines 9:00
Slope 16:46
Intercepts 8:34
Slope-Intercept Form 7:55
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
Mean, Median, Mode 9:32
More on Mean and Median 4:34
Weighted Averages I 7:00
Weighted Averages II (Advanced) 8:31
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
Introduction to Counting 4:22
Fundamental Counting Principle 7:39
FCP with Restrictions 4:36
Factorial Notation 4:05
Counting What You Don't Want 9:39
Counting with Identical Items 6:18
Eliminating Repetition 7:33
Combinations 7:49
When to Use Combinations 9:14
Calculating Combinations 10:02
Permutations and Combinations 7:53
Counting Strategies 3:17
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
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
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 9:59
Summary of QC Strategies 4:49
