Counting

GMAT Course
- Data Sufficiency
- Number Theory
  - Positive and Negative Integers
  - Consecutive Integers
  - Uniformly Spaced Sequences
  - Odd and Even Integers
  - Divisibility Rules for 2,3,5,6,8,9
  - Prime Numbers
  - Prime Factorization
  - Place Value
  - Sum of Digits: Large Numbers
  - Units Digit Problems
  - Factors and Multiples
  - Counting Number of Factors
  - Greatest Common Factor
  - Least Common Multiple
  - Divisibility
  - Terminating Zeroes
  - Perfect Squares and Cubes
  - Linear Indeterminate Equations
  - Remainders
  - Counting Multiples and Divisors
  - Miscellaneous Problems
  - Homework: Number Theory
- Arithmetic
  - Order of Operations
  - Fractions: Basic Operations
  - Fractions: Ranking
  - Decimals
  - Decimals and Scientific Notation
  - Terminating Decimals
  - Radicals
  - Exponents: Basic Rules
  - Exponents: Algebraic Expressions
  - Fractional Exponents
  - Exponents (Sum and Difference)
  - Exponents: Miscellaneous
  - Approximations
  - Ratios
  - Percentages
  - Percentage change
  - Number Line
  - Absolute Value: Basics
  - Absolute Value Inequalities
  - Absolute Value: Triangle Inequality
  - Absolute Value Identities
  - Greatest and Least Integer Functions
  - Homework: Arithmetic
- Algebra
  - Algebraic Manipulation
  - Linear Equations: Two Variables
  - Linear Equations: Three Variables
  - Quadratic Equations: Introduction
  - Quadratic Equations: Variations
  - Algebraic Identities
  - Inequalities: Range of Values
  - Algebra: Basic Inequalities
  - Quadratic Inequalities
  - Compact Inequalities
  - Inequalities: Linear Equation Form
  - Inequalities: Algebraic Restatement
  - Algebraic Inequalities: Three or more variables
  - Functions
  - Algebraic Defined Operations
  - Homework: Algebra
- Word Problems
  - Algebraic Word Translations
  - Linear Equations: One Unknown
  - Linear Equations: Two Unknowns
  - Linear Equations: Three or more unknowns
  - Distance Rate Problems
  - Mileage Problems
  - Machine and Work Problems
  - Mixtures
  - Profit and Loss
  - Simple Interest
  - Compound Interest
  - Graded Pricing/Cost/Salary Problems
  - Portion Problems
  - Venn Diagrams
  - Double Sets
  - Logic: Max/Min Problems
  - Homework: Word Problems
- Statistics
  - Arithmetic Mean (Average)
  - Median
  - Mean/Median Max/Min
  - Range
  - Weighted Average
  - Standard Deviation
  - Homework: Statistics
- Counting
  - Basic Counting Principle
  - Factorial Math
  - Permutations: Basic
  - Permutations with Constraints
  - Circular Permutations
  - Combinations
  - Probability
  - Homework: Counting
- Sequences
  - General Sequences
  - Arithmetic Sequences: Finding Terms
  - Arithmetic Sequences: Sum
  - Cyclic Sequences
  - Geometric Sequences: Finding Terms
  - Geometric Sequences: Sum
  - Miscellaneous Sequences
  - Homework: Sequences