Exam prep · foundations
GED Math Prep
Skill drills that show up on GED-style math — not a full practice test. Build fluency on numbers, fractions, percents, and linear basics.
Skills
46 skills in 5 sections — fundamentals first, then more specific topics. Practice each until Mastery Score 100.
A.Number sense14 skills
- A.1 Number ClassesPractice →Name the most specific set for a number: natural, whole, integer, rational, irrational, or real.
- A.2 Even & OddPractice →Decide whether an integer is even or odd.
- A.3 Prime & CompositePractice →Classify small positives as prime or composite (1 is neither).
- A.4 Greatest Common FactorPractice →Find the GCF of two positive integers.
- A.5 Least Common MultiplePractice →Find the LCM of two positive integers.
- A.6 Square Roots & IrrationalsPractice →Evaluate roots of perfect squares, or say when a square root is irrational.
- A.7 Absolute ValuePractice →Evaluate absolute values of integers.
- A.8 Order of OperationsPractice →Evaluate expressions with parentheses, ×, ÷, +, −.
- A.9 Comparing NumbersPractice →Compare integers, fractions, and decimals with <, >, or =.
- A.10 RoundingPractice →Round whole numbers and decimals to a stated place value.
- A.11 Decimal Addition & SubtractionPractice →Add and subtract decimals exactly by lining up place values.
- A.12 Decimal MultiplicationPractice →Multiply decimals and place the decimal point by counting places.
- A.13 Mean (Average)Practice →Find the mean of a short list of whole numbers.
- A.14 MedianPractice →Find the median of a short list of whole numbers.
B.Integer operations4 skills
- B.1 Integer AdditionPractice →Add positive and negative integers quickly and correctly.
- B.2 Integer SubtractionPractice →Subtract integers, including signed values.
- B.3 Integer MultiplicationPractice →Multiply integers with attention to signs.
- B.4 Integer DivisionPractice →Divide integers that split evenly.
C.Fractions, ratios & percents12 skills
- C.1 Adding FractionsPractice →Add fractions with unlike denominators; simplify.
- C.2 Subtracting FractionsPractice →Subtract fractions with unlike denominators; simplify.
- C.3 Multiplying FractionsPractice →Multiply fractions and simplify.
- C.4 Dividing FractionsPractice →Divide fractions by multiplying by the reciprocal.
- C.5 Simplifying FractionsPractice →Reduce a fraction to lowest terms.
- C.6 Fractions to DecimalsPractice →Convert fractions with friendly denominators to exact decimals.
- C.7 Percents & DecimalsPractice →Convert between percent form and decimal form.
- C.8 Unit RatesPractice →Find unit rates from ratios.
- C.9 Solving ProportionsPractice →Solve a/b = x/c for the unknown value.
- C.10 Percent of a NumberPractice →Compute a percent of a whole number.
- C.11 Finding the Whole from a PercentPractice →Given a part and its percent, find the whole.
- C.12 Percent Increase & DecreasePractice →Find the percent change between an old and a new value.
D.Linear basics5 skills
- D.1 Combining Like TermsPractice →Simplify linear expressions by combining like terms.
- D.2 Distributive PropertyPractice →Expand a(b + c) expressions.
- D.3 One-Step EquationsPractice →Solve ax = b style one-step linear equations.
- D.4 Two-Step EquationsPractice →Solve two-step linear equations in one variable.
- D.5 One-Step InequalitiesPractice →Solve simple linear inequalities.
E.Perimeter, area & triangles11 skills
- E.1 Rectangle AreaPractice →Compute area of a rectangle.
- E.2 Triangle AreaPractice →Find the area of a triangle from base and height.
- E.3 Parallelogram & Trapezoid AreaPractice →Find areas of parallelograms and trapezoids.
- E.4 Complementary & Supplementary AnglesPractice →Find the missing angle in a complementary or supplementary pair.
- E.5 Triangle Angle SumPractice →Find a missing angle in a triangle.
- E.6 Triangle Angles in a DiagramPractice →Use a labeled triangle diagram to find a missing interior angle.
- E.7 Circle AreaPractice →Compute area given radius (coefficient of π).
- E.8 CircumferencePractice →Find a circle's circumference in terms of π.
- E.9 Volume of a Rectangular PrismPractice →Find the volume of a box from its three dimensions.
- E.10 Pythagorean TheoremPractice →Find a missing side of a right triangle.
- E.11 Right-Triangle DiagramPractice →Find a missing side from a labeled right-triangle diagram.