- Basic arithmetic operations: addition, subtraction, multiplication, and division.
- Order of operations (PEMDAS/BODMAS): Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
- Percentages: understanding how to calculate percentages and solve problems involving percentage increase or decrease.
- Ratios and proportions: solving problems involving ratios and proportions, including direct and inverse proportions.


- Linear equations: solving equations with one or more variables, understanding the concept of slope and intercepts.
- Quadratic equations: solving equations in the form of ax^2 + bx + c = 0, factoring, completing the square, and using the quadratic formula.
- Functions: understanding the concept of functions, evaluating functions, and solving problems involving functions.
- Inequalities: solving linear and quadratic inequalities, understanding the concept of absolute value.


- Basic geometric shapes: understanding the properties and formulas of lines, angles, triangles, quadrilaterals, circles, and polygons.
- Perimeter and area: calculating the perimeter and area of various shapes, including squares, rectangles, triangles, circles, and trapezoids.
- Volume and surface area: calculating the volume and surface area of three-dimensional shapes, such as cubes, cylinders, spheres, and cones.
- Pythagorean theorem: understanding the relationship between the sides of a right triangle (a^2 + b^2 = c^2).


- Mean, median, and mode: understanding the concepts and calculating the mean, median, and mode of a given set of numbers.
- Probability: understanding basic probability concepts, such as independent and dependent events, and solving probability problems using counting techniques and probability rules.


- Prime numbers: understanding the properties of prime numbers, prime factorization, and solving problems involving prime numbers.
- Divisibility rules: knowing the divisibility rules for numbers such as 2, 3, 4, 5, 6, 8, 9, and 10.
- Integer properties: understanding properties of even and odd numbers, consecutive integers, and solving problems involving divisibility and remainders.


- Reading and interpreting data from tables, charts, graphs, and diagrams.
- Understanding concepts such as averages, percentages, ratios, and rates in the context of data interpretation.

Reviewing and practicing these mathematical formulas and concepts will help you prepare for the quantitative section of the GMAT. It is important to understand the underlying principles and be able to apply them to various problem-solving situations. Practice with GMAT-specific questions and timed practice tests to familiarize yourself with the format and pacing of the exam.