GRE and GMAT Math - So Easy a Child Could Do It

Quantitative Problem Solving: So Easy a Child Could Do It
  • Lectures 83
  • Video 7 Hours
  • Skill level all level
  • Languages English
  • Includes Lifetime access
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Course Description

Not a child genius? Not a problem. My name is Corey and I’m here to guide you through an interactive course on quantitative problem solving for mastering the math section of the GRE and GMAT exams. These problems are not duplicates of the long, tedious, subpar GRE and GMAT course books that you've already purchased (such as the Barron's or Manhattan series which deviate from the actual GRE given by ETS and assume that you have infinite preparation time to work through their long lists of questions), so you will be getting brand new problems modeled after REAL GRE and GMAT questions that will challenge you in a unique way. This course is vitally important for anyone planning to apply to most graduate programs and the GRE and GMAT math questions come fully annotated solutions. This course is also ideal for high school students preparing for the SAT, as many of the harder math questions on the SAT will seem simple after mastering these questions. Feel free to preview sample solutions so that you have an idea of what to expect in the rest of the course. Thank you for your time and I look forward to helping you maximize your math proficiency.

Feel free submit questions through the course or directly to my email (hokiesalum[AT_symbol]]gmail[DOT]com ; include Udemy in the subject line). I want to do my best to make sure that you succeed! :-)

What are the requirements?

  • High School Math

What am I going to get from this course?

  • Over 83 lectures and 6.5 hours of content!
  • Master GRE and GMAT math for quantitative problem solving

What is the target audience?

  • Prospective graduate students
  • Prospective business school students
  • Prospective college students

Curriculum

Section 1: Introduction
00:51
Math Intro
Section 2: Teaching Lectures
05:40

This lecture will cover the derivation of the formulas for permutations and combinations.  Permutations represent selecting objects from a set of objects and the order of selection IS important.  Combinations represent selecting objects from a set of objects and the order of selection is NOT important.

n Permutation x = n! / (n-x)!

n Choose x = n! / ( (n-x)! * x! )

11:49
Prime factorization is when you split a number into its prime factors.
A prime number is a number that is only divisible by 1 and itself.  2 is defined as the first prime number.
The factors of a number are the numbers that evenly divide into that number.  For example, the factors of 10 are 1, 2, 5, and 10.
The prime factorization can be used to find the greatest common factor (GCF) or the least common multiple (LCM) of two or more numbers.
The GCF can be used to simplify fractions.
The LCM can be used to find a common denominator to add or subtract fractions.
06:33

The most important exponent rules are covered in this lecture.  The most important rules are:
1.  Add the exponents when you have two numbers with the same base multiplied together.
2.  Subtract the exponents when you have two numbers with the same base divided by each other.
3.  Multiply the exponents when you have an exponent raised to an exponent.
4.  Negative exponents can be made positive by moving the number from the numerator to the denominator or vice versa.
5.  Radicals can be changed into fractional exponents and vice versa.

05:43
Combined rate / work problems are used to add or subtract the rates of different people when they are doing the same task.

Remember that when you add or subtract the fractions, the time component has to be in the denominator, on the bottom.  For example, 5 miles per hour + 10 miles per hour = 15 miles per hour.  Do NOT do: 1 hour per 5 miles + 1 hour per 10 miles = 3 hours per 15 miles.
10:15

This lecture covers the most important subtopics for dealing with triangles.
1.  A triangle has three sides and the sum of its angles is 180 degrees.
2.  The area of a triangle is 1/2 * base * height.
3.  Pythagorean's Theorem for right triangles: c^2 = a^2 + b^2.
4.  An exterior angle for a triangle is equal to the sum of the other two angles.
5.  There are two special triangles in terms of angles:

45:45:90 triangle = x : x : x*sqrt(2)
30:60:90 triangle = x : x*sqrt(3) : 2x
  6.  Any side of a triangle must be less than the sum of the other two sides of the triangle and more than the absolute value of the difference between the other two sides of the triangle.
07:22
This lecture covers fraction arithmetic.
1.  To multiply fractions, multiply the numerators and denominators straight across.
2.  To divide fractions, change the fraction being divided into its inverse, and then multiply the fractions straight across.
3.  To add and/or subtract fractions, find the LCM (least common multiple) of the denominators, change all fractions so that they share this LCM, then perform the addition and subtraction operations only on the numerators, not the denominators.
06:21

This lecture will cover divisibility rules.

2: The number is even; the number ends in 0, 2, 4, 6, or 8.

3: The sum of the digits of the number is divisible by 3.

4: The last two digits is divisible by 4.

5: The last digit is either 5 or 0.

6: The number is divisible by both 2 and 3.

9: The sum of the digits is divisible by 9.

10: The number ends in 0.

Ratios and Proportions Review Problems
4 pages
30:19

Ratios and Proportions Review Problem Video Solutions

06:10
This lecture covers GRE quantitative comparison strategies.

1.  Always use your pencil and paper.
2.  Add or subtract any number from both sides to simplify the problem.  Usually this is useful if you have the same number, variable, or equivalent expression on both sides.
3.  Multiply of divide any positive number, variable, or expression from both sides to simplify the problem.  Sometimes this is optional, but other times this is essential for solving a problem.  Remember that it must be a positive number, variable, or expression, as doing this with a negative number change the problem being asked.
4.  Have confidence.  The GRE test is also a psychological test of your math ability and confidence level.  Not being confident in your math skills leads to double and triple checking answers, thereby taking away time from the other questions in the test.
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Section 3: Math Problems
67 pages

Problem List

02:46
Topics:
Translating Words Into Equations
Solving Algebraic Equations
04:23
Topics:
Translating Words into Equations
Age Problems
01:57
Topics:
Integer Problems
01:56
Topics:
Percentages
Translating Words Into Equations
03:34
Topics:
Permutations
04:06
Topics:
Probability
Two-Way Tables
02:26
Topics:
Combining Algebraic Equations
02:05
Topics:
Exponents
02:45
Topics:
Work / Rate Problems
03:25
Topics:
Unit Conversions
04:27
Topics:
Algebraic Factoring
02:07
Topics:
Solving Algebraic Equations
03:33
Topics:
Averages
02:03
Topics:
Ratios
02:26
Topics:
Ratios
(Correction: $20 should be added at the end to give $420 as the correct answer)
04:00
Topics:
Interest Rate Problems
05:41
Topics:
Distance, Rate, Time Problems
04:01
Topics:
Ratio Problems
Probability
02:25
Topics:
Geometry
Ratios
01:41
Topics:
Sum and Average Problems
04:17
Topics:
Area
Perimeter
Optimization
03:58
Topics:
Permutations
04:21
Topics:
Mixture Problems
02:36
Topics:
Distance, Rate, Time Problems
01:27
Topics:
Matching Pairs
03:02
Topics:
Combined Work / Rate Problems
03:18
Topics:
Combined Work / Rate Problems
03:48
Topics:
Averages
Medians
03:20
Topics:
Probability
03:19
Topics:
Probability
Translating Words Into Equations
01:29
Topics:
Probability
05:03

Topics:
Probability
Two-Way Tables

03:11
Topics:
Geometry
Angles
Polygons
03:32
Topics:
Geometry
Inscribed Polygons
Areas
Perimeters
02:57
Topics:
Percentages
Translating Words Into Equations
Solving Algebraic Equations
04:13
Topics:
Triangles
04:39
Topics:
Statistics
Normal Distribution
Means and Standard Deviations
04:29
Topics:
Averages
Sums
02:16
Topics:
Numerical Factors
Prime Numbers
02:11
Topics:
Factorials
Divisibility
Numerical Factors
02:41
Topics:
Ratios
Unit Conversions
02:43
Topics:
Inequalities
02:38
Topics:
Translating Words Into Equations
Proportionality
Solving Algebraic Equations
03:03
Topics:
Translating Words Into Equations
Solving Algebraic Equations
03:13
Topics:
Coin Problems
Translating Words Into Equations
Solving a System of Linear Equations
04:58

Topics:
Solving Algebraic Equations with Radicals

04:51
Topics:
Solving algebraic equations with absolute value signs
04:49
Topics:
Prime Numbers
Divisibility Rules
04:16
Topics:
Translating Words Into Equations
Combined Work / Rate Problems
Ratios and Proportions
02:00
Topics:
Factorials
Multiplication Factors
03:32
Topics:
Mixture Problems
Translating Words Into Equations
Solving Algebraic Equations
03:27
Topics:
Translating words into equations
Right triangles
Pythagorean triples
Perimeters
Solving a system of equations
03:56
Topics:
Geometry
Combinations
02:39
Topics:
Multiplication rules
Divisibility rules
02:09
Topics:
Combinations
03:20
Topics:
Divisibility rules
03:11
Topics:
Sequences
03:40
Topics:
Time Problems
03:14
Topics:
Circles
Special Triangles
Areas
Angles
02:33
Topics:
Equations of Lines
Slopes
Perpendicular Lines
03:41
Topics:
System of Equations
Factoring Quadratic Equations
02:29
Topics:
Ratios and Proportions
Squares
Circles
Areas
Perimeters
02:53
Topics:
Sequences and Series
02:25
Topics:
Averages
Sums
02:03
Topics:
Permutations and Combinations
Digits
02:25
Topics:
Ratios and Proportions
03:33

Topics:

Exponents

02:25

Topics: Inequalities

Systems of Equations

02:43

Topics: Translating Words Into Equations

Fraction Arithmetic

Solving an Equation for a Variable

02:49

Topics: Translating Words Into Equations

Fraction Arithmetic

Solving an Equation for a Variable

Section 4: Conclusion
00:21
Math Conclusion

Instructor Biography

Professor Corey Moore , Adjunct Professor / Math Prodigy

Graduated summa cum laude from Virginia Tech with a major in chemical engineering (in-major GPA: 3.94) and a minor in chemistry. Completed written and oral doctoral qualifiers in chemical engineering at MIT. Extensive research experience with the US Army Countermining Division, DuPont, and MIT.

Adjunct Professor (New England College of Business). Tutoring prodigy...I love my job and fully invest myself in my clients, as I love their success even more. Extensive tutoring experience (300+ clients in the past 4 years), particularly in math (with a specialty in calculus through differential equations), physics, chemistry (general and organic), statistics (high school through upper graduate level, with a specialty in SPSS), academic and research writing, and test preparation (GRE, GMAT, MCAT, PCAT, DAT, SAT, ACT, ASVAB, SSAT, and MTEL math). I also create electronic flashcards to help my clients study, compatible with smartphones and iPads.

Reviews

Average Rating
4.7
Details
  1. 5 Stars
    5
  2. 4 Stars
    0
  3. 3 Stars
    1
  4. 2 Stars
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  5. 1 Stars
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    • Le Dan

    Wonderful course and easy to understand

    Professor Moore's lecture is very clear and easy to understand. His videos help me to grasp the Math concept quickly. Definitely, Professor save me lots of time for studying. I like his videos much better than the GRE book I read in the past. He's awesome. Thank you so much Professor Moore.

    • Megan

    Megan

    The visuals and the fact that I can go back to the lectures whenever and how many times I want for review after tutoring sessions is very helpful for me and good reinforcement.

    • Andrew Richards

    Everything you need for GRE Math, great practice problems

    Corey covers all of the math concepts that you might find on the GRE. He is skilled at breaking them down in a way that's understandable and applicable on actual GRE questions. Same with his solutions to the practice problems - he's great at picking out the underlying equations that the word problems are masking, so that you can understand the simplest (and surest) way to approach similar questions on the GRE. I would take more of his courses if they were on here!

    • Hasmik Sargsyan

    Great course! very easy to understand difficult problems

    I highly recommend using Corey's course--he breaks down the problems into details which are essential in understanding both the concept and building a strong groundwork for future similar problems. His tactics are very useful as well. With practice, I am sure that I will master solving the problems faster which is a key in getting a good GRE score. Thanks Corey!

    • Noreen Connolly

    Awesome Instructor!

    Corey is very clear in his instruction, and speaks slowly so the problems are easier to grasp. I have purchased Coreys classes in other forums and he never disappoints.

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