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ACT Math
Learn about the math section of the ACT
The act exam contains 60 questions from six content areas. The questions appear at a random order from these six content areas and are ordered approximately by difficulty. The content areas are: pre algebra, elementary algebra, intermediate algebra, plane geometry, coordinate geometry and trigonometry. The structure of the questions is:
Content area | Number of questions | pre algebra | 14 | elementary algebra | 10 | intermediate algebra | 9 | plane geometry | 14 | coordinate geometry | 9 | trigonometry | 4 |
Pre algebraThis content area contains the following sub-topics:
•Basic operations using whole numbers, fractions and decimals
•Averages
•Proportions and ratios
•Simple percentages questions
•Combination problems
•Representation
•Prime numbers
•Simple absolute values
•Factors of numbers
•Median
•Integer properties
Elementary algebraThis content area contains the following sub-topics:
•Solving equations in one variable
•Simplifying expressions with powers
•Plugging numbers
•Fraction expressions
•Opening brackets
•Factored form of a quadratic equation
Intermediate algebra
This content area contains the following sub-topics:
•Arithmetic sequences
•Geometric sequences
•Matrices
•Two equations with two variables
•Inequalities
•logarithms
•Quadratic equations
•Exponential equations
•Complex numbers
Coordinate geometryThis content area contains the following sub-topics:
•Slope of a line
•Equation of a line
•Intersection of lines
•Distance between points
•The graph of the quadratic equation
•Equation of a circle
•Midpoint of a section
Plane geometryThis content area contains the following sub-topics:
•Area of triangles, rectangles and circles
•Perimeter of triangles, rectangles and circles
•Pythagoras Theorem
•Radians
•Congruence of triangles
•Similarity of triangles
•Volume of three dimensional bodies
•Surface area of three dimensional bodies
•Parallel lines and transversal lines intersecting them
•The parallelogram and its properties
•The trapezoid and its properties
•The rhombus and its properties
TrigonometryThis content area contains the following sub-topics:
•Using the definition of the trigonometric functions in a right triangle
•The value of trigonometric functions in special angles
•Graphs of trigonometric functions
•Using simple trigonometric identities
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