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The four major areas on the test are arithmetic, algebra, geometry, and data analysis. Here are some of the main things you are expected to be able to do:

#### Arithmetic:

• Understanding place value
• Ordering numbers, including positives, negatives, fractions, and decimals
• Rounding
• Using the four basic arithmetic operations (add, subtract, multiply divide) using the order of operations (PEMDAS)
• Finding factors and multiples
• Identifying prime numbers
• Performing operations with exponents and radicals
• Performing operations on fractions
• Converting between fractions, decimals, and percents
• Calculating percents (including percent change)

#### Algebra

• Factoring and distributing algebraic expressions
• Performing operations on polynomials
• Solving equations with one variable
• Solving systems of equations
• Solving quadratic equations
• Solving inequalities
• Solving for absolute value
• Solving problems involving rates, ratios, and proportions
• Evaluating functions

#### Geometry

• Calculating angle measures
• Classifying polygons
• Finding perimeter and area of two-dimensional figures
• Finding volume and surface area of three-dimensional figures
• Converting between units of measurement
• Using coordinate geometry to plot points, lines, and shapes; find slopes; write the equation of a line

#### Data Analysis

• Reading and interpreting data on graphs, charts, and tables
• Performing basic statistical calculations on a data set (mean, median, mode, range)
• Finding simple and compound probability

Math review and lessons

https://member.mathhelp.com/courses/test_prep/46/chapter/1/lesson/1

https://www.effortlessmath.com/blog/ged-math-worksheets/