ACT Math Flashcards

Master ACT Math concepts with interactive flashcards

Reinforce your ACT Math knowledge on the go with our engaging flashcards. Each card highlights key concepts and formulas, making it easy to review important information anytime, anywhere.

Algebra

163 decks

Algebraic Fractions

How to evaluate a fraction

How to find excluded values

How to find inverse variation

How to simplify a fraction

How to solve for a variable as part of a fraction

Algebraic Functions

How to find domain and range of the inverse of a relation

How to find f(x)

How to find the domain of a function

How to use the quadratic function

Coordinate Plane

Circles

How to find the equation of a circle

Graphing

How to graph a function

How to graph a line

How to graph a point

How to graph a quadratic function

How to graph a two-step inequality

How to graph an exponential function

How to graph an ordered pair

How to graph complex numbers

How to graph inverse variation

Lines

Distance Formula

How to find the length of a line with distance formula

Midpoint Formula

How to find the endpoints of a line segment

How to find the midpoint of a line segment

Other Lines

How to find out if a point is on a line with an equation

How to find the equation of a line

How to find the slope of a line

Parallel Lines

How to find out if lines are parallel

How to find the equation of a parallel line

How to find the slope of parallel lines

Perpendicular Lines

How to find out if lines are perpendicular

How to find the equation of a perpendicular line

How to find the slope of a perpendicular line

Tangent Lines

How to find the equation of a tangent line

How to find the slope of a tangent line

Transformation

How to find transformation for an analytic geometry equation

x and y Intercept

How to find the equation of a curve

How to find x or y intercept

Distributive Property

FOIL

How to use FOIL with the distributive property

How to use the grid method for FOIL

Equations / Inequalities

Factoring Equations

How to factor an equation

Inequalities

How to find the solution to an inequality with addition

How to find the solution to an inequality with division

How to find the solution to an inequality with multiplication

How to find the solution to an inequality with subtraction

Linear / Rational / Variable Equations

How to find out when an equation has no solution

How to find the solution to a rational equation with LCD

How to find the solution to an equation

Quadratic Equations

How to factor the quadratic equation

How to find the solution to a quadratic equation a1

Solution Sets

How to find a solution set

Systems of Equations

How to find the solution for a system of equations

Exponents

Exponential Operations

How to add exponents

How to divide exponents

How to multiply exponents

How to subtract exponents

Exponential Ratios

How to find a ratio of exponents

Exponents and Rational Numbers

How to find a rational number from an exponent

How to find an exponent from a rational number

Exponents and the Distributive Property

How to use FOIL with exponents

Logarithms

How to find a logarithm

Other Exponents

How to use scientific notation

Pattern Behaviors in Exponents

How to find compound interest

How to find patterns in exponents

Squaring / Square Roots / Radicals

Complex Numbers

How to add complex numbers

How to divide complex numbers

How to multiply complex numbers

How to subtract complex numbers

Factoring Squares

How to factor a common factor out of squares

Square of Difference

How to find the square of difference

Square of Sum

How to find the square of a sum

Expressions

Evaluating Expressions

How to evaluate algebraic expressions

Rational Expressions

How to add rational expressions with a common denominator

How to add rational expressions with different denominators

How to divide rational expressions

How to evaluate rational expressions

How to multiply rational expressions

How to subtract rational expressions with different denominators

Simplifying Expressions

How to simplify an expression

Matrices

Matrix Combinations

How to find combinations with a matrix

Other Matrices

How to add matrices

How to find an answer with a matrix

How to subtract matrices

Scalar interactions with Matrices

How to find scalar interactions with a matrix

How to multiply a matrix by a scalar

Variables

Direct and Inverse Variation

How to use the direct variation formula

How to use the inverse variation formula

Factoring

How to factor a variable

Monomials

How to divide monomial quotients

How to multiply a monomial by a polynomial

How to multiply monomial quotients

Polynomials

Binomials

Binomial Denominators

How to find the solution of a rational equation with a binomial denominator

Binomials and FOIL

How to multiply binomials with the distributive property

Coefficients

How to find the value of the coefficient

Other Binomials

How to find the solution to a binomial problem

Simplifying

How to simplify binomials

Factoring Polynomials

How to factor a polynomial

Polynomial Operations

How to add polynomials

How to divide polynomials

How to find the degree of a polynomial

How to multiply polynomials

How to subtract polynomials

Trinomials

How to add trinomials

How to divide trinomials

How to factor a trinomial

How to multiply trinomials

How to subtract trinomials

Geometry

161 decks

Coordinate Geometry

Plane Geometry

Circles

Chords

How to find the length of a chord

Clock Math

How to find the angle of clock hands

How to find the distance between clock hands

Diameter

How to find the length of the diameter

How to find the ratio of diameter and circumference

Radius

How to find circumference

How to find the area of a circle

How to find the length of a radius

Sectors

How to find the angle for a percentage of a circle

How to find the angle of a sector

How to find the area of a sector

How to find the length of an arc

How to find the percentage of a sector from an angle

Hexagons

How to find an angle in a hexagon

How to find if hexagons are similar

How to find the area of a hexagon

How to find the length of the diagonal of a hexagon

How to find the length of the side of a hexagon

How to find the perimeter of a hexagon

Lines

How to find an angle of a line

Other Polygons

How to find an angle in a polygon

How to find the area of a polygon

How to find the length of a diagonal of a polygon

How to find the length of a side of a polygon

How to find the perimeter of a polygon

Pentagons

How to find an angle in a pentagon

How to find the area of a pentagon

How to find the length of the diagonal of a pentagon

How to find the length of the side of a pentagon

How to find the perimeter of a pentagon

Quadrilaterals

Kites

How to find an angle in a kite

How to find the area of a kite

How to find the length of the diagonal of a kite

How to find the length of the side of a kite

How to find the perimeter of kite

Other Quadrilaterals

How to find an angle in a quadrilateral

How to find if quadrilaterals are similar

How to find the area of a quadrilateral

How to find the length of the diagonal of a quadrilateral

How to find the length of the side of a quadrilateral

How to find the perimeter of a quadrilateral

Parallelograms

How to find an angle in a parallelogram

How to find the area of a parallelogram

How to find the length of the diagonal of a parallelogram

How to find the length of the side of a parallelogram

How to find the perimeter of a parallelogram

Rectangles

How to find if rectangles are similar

How to find the area of a rectangle

How to find the length of the diagonal of a rectangle

How to find the length of the side of a rectangle

How to find the perimeter of a rectangle

Rhombuses

How to find an angle in a rhombus

How to find if rhombuses are similar

How to find the area of a rhombus

How to find the length of the diagonal of a rhombus

How to find the length of the side of a rhombus

How to find the perimeter of a rhombus

Squares

How to find the area of a square

How to find the length of the diagonal of a square

How to find the length of the side of a square

How to find the perimeter of a square

Trapezoids

How to find an angle in a trapezoid

How to find if trapezoids are similar

How to find the area of a trapezoid

How to find the length of the diagonal of a trapezoid

How to find the length of the side of a trapezoid

How to find the perimeter of a trapezoid

Triangles

Acute / Obtuse Triangles

How to find an angle in an acute / obtuse triangle

How to find if acute / obtuse triangles are congruent

How to find if two acute / obtuse triangles are similar

How to find the area of an acute / obtuse triangle

How to find the height of an acute / obtuse triangle

How to find the length of the hypotenuse of an acute / obtuse triangle

How to find the length of the side of an acute / obtuse triangle

How to find the perimeter of an acute / obtuse triangle

Equilateral Triangles

How to find the area of an equilateral triangle

How to find the height of an equilateral triangle

How to find the length of the side of an equilateral triangle

How to find the perimeter of an equilateral triangle

Isosceles Triangles

45/45/90 Right Isosceles Triangles

How to find the area of a 45/45/90 right isosceles triangle

How to find the height of a 45/45/90 right isosceles triangle

How to find the length of the hypotenuse of a 45/45/90 right isosceles triangle : Pythagorean Theorem

How to find the length of the side of a 45/45/90 right isosceles triangle

How to find the perimeter of a 45/45/90 right isosceles triangle

Acute / Obtuse Isosceles Triangles

How to find an angle in an acute / obtuse isosceles triangle

How to find if of acute / obtuse isosceles triangle are similar

How to find if of acute / obtuse isosceles triangles are congruent

How to find the area of an acute / obtuse isosceles triangle

How to find the height of of an acute / obtuse isosceles triangle

How to find the length of the side of of an acute / obtuse isosceles triangle

How to find the perimeter of an acute / obtuse isosceles triangle

Right Triangles

How to find an angle in a right triangle

How to find if right triangles are congruent

How to find if right triangles are similar

How to find the area of a right triangle

How to find the height of a right triangle

How to find the length of the hypotenuse of a right triangle : Pythagorean Theorem

How to find the length of the side of a right triangle

How to find the perimeter of a right triangle

Solid Geometry

Cones

How to find the surface area of a cone

How to find the volume of a cone

Cubes

How to find the diagonal of a cube

How to find the length of an edge of a cube

How to find the surface area of a cube

How to find the volume of a cube

Cylinders

How to find the surface area of a cylinder

How to find the volume of a cylinder

Other Polyhedrons

How to find the length of an edge of a polyhedron

How to find the surface area of a polyhedron

How to find the volume of a polyhedron

Prisms

How to find the diagonal of a prism

How to find the length of an edge of a prism

How to find the surface area of a prism

How to find the volume of a prism

Pyramids

How to find the length of an edge of a pyramid

How to find the surface area of a pyramid

How to find the volume of a pyramid

Spheres

How to find the diameter of a sphere

How to find the radius of a sphere

How to find the surface area of a sphere

How to find the volume of a sphere

Tetrahedrons

How to find the diagonal of a tetrahedron

How to find the length of an edge of a tetrahedron

How to find the surface area of a tetrahedron

How to find the volume of a tetrahedron

Arithmetic

152 decks

How to simplify a fraction

Basic Squaring / Square Roots

Factoring Common Factors of Squares and Square Roots

How to find the common factor of square roots

Other Squaring / Square Roots

How to find the square of an integer

Simplifying Square Roots

How to find the common factors of squares

How to simplify square roots

Square Roots and Operations

How to add square roots

How to divide square roots

How to find a ratio of square roots

How to multiply square roots

How to subtract square roots

Decimals

Basic Squaring / Square Roots

How to find the square root of a decimal

How to square a decimal

Decimals with Fractions

How to find decimal fractions

How to find the decimal equivalent of a fraction

How to find the fractional equivalent of a decimal

Ordering

How to order decimals from least to greatest or from greatest to least

Other Decimals

How to add decimals

How to convert decimals to scientific notation

How to divide decimals

How to multiply decimals

How to subtract decimals

Fractions

Complex Fractions

How to add complex fractions

How to divide complex fractions

How to find a complex fraction

How to multiply complex fractions

How to subtract complex fractions

Compound Fractions

How to find a solution to a compound fraction

Decimals with Fractions

Fractions and Percentage

How to find a fraction from a percentage

How to find fractional percentages

How to find percentage from a fraction a1

Infinite Fractions

How to find the amount of rational numbers between two numbers

Lowest Common Denominator

How to find the lowest / least common denominator

Mixed / Improper Fractions

How to find out a mixed fraction from an improper fraction

How to find out an improper fraction from a mixed fraction

Operations and Fractions

How to add fractions

How to divide fractions

How to multiply fractions

How to subtract fractions

Ordering

How to order fractions from least to greatest or from greatest to least

Proportion / Ratio / Rate

How to express a fraction as a ratio

How to find a ratio a1

How to find proportion

How to find rate

How to find the ratio of a fraction

How to find the volume of a solution

Reciprocals

How to find the reciprocal of a fraction

Simplifying Fractions

Whole and Part

How to find the part from the whole with fractions

How to find the whole from the part with fractions

Integers

Absolute Value

How to find absolute value

Counting

How to find the number of integers between two other integers

Even / Odd Numbers

How to add even numbers

How to add odd numbers

How to divide even numbers

How to divide odd numbers

How to multiply even numbers

How to multiply odd numbers

How to subtract even numbers

How to subtract odd numbers

Factors / Multiples

Greatest Common Factor

How to find the greatest common factor a1

Least Common Multiple

How to find the least common multiple

Other Factors / Multiples

How to factor a number

Prime Numbers

How to find out if a number is prime

Negative Numbers

How to add negative numbers

How to divide negative numbers

How to multiply negative numbers

How to subtract negative numbers

Number Line

Graphing an equation with a number line

How to graph an equation with a number line

Graphing an Inequality with a Number Line

How to graph an inequality with a number line

Other Number Line

How to find value with a number line

Operations

How to add integers

How to divide integers

How to multiply integers

How to subtract integers

Permutation / Combination

How to find permutation notation

How to find the greatest or least number of combinations

Sequences

Arithmetic Sequences

nth Term of an Arithmetic Sequence

How to find the next term in an arithmetic sequence

How to find the nth term of an arithmetic sequence

Other Arithmetic Sequences

How to find the answer to an arithmetic sequence

Common Difference in Sequences

How to find the common difference in sequences

Consecutive Integers

How to find consecutive integers

Sets

How to find the missing number in a set

Order of Operations

How to find order of operations

Percentage

Decimals and Percentage

How to find decimal equivalent to a percentage

How to find percentage equivalent to a decimal

Fractions and Percentage

How to find percentage from a fraction

Interest

How to find simple interest

Other Percentage

How to find percentage

Percent of Change

How to find the percent of decrease

How to find the percent of increase

Profit Margin

How to find amount of profit

Sale Prices

How to find the sale price

Sales tax

How to find the amount of sales tax

Whole and Part

How to find the part from the whole with percentage

How to find the whole from the part with percentage

Trigonometry

32 decks

Cosine

How to find a missing side with cosine

How to find an angle with cosine

How to find negative cosine

How to find positive cosine

How to find the cosine of a missing side

How to find the cosine of an angle

How to find the domain of the cosine

How to find the period of the cosine

How to find the range of the cosine

Reference Angles

How to find a reference angle

Sine

How to find a missing side with sine

How to find an angle with sine

How to find negative sine

How to find positive sine

How to find the domain of the sine

How to find the period of the sine

How to find the range of the sine

How to find the sine of a missing side

How to find the sine of an angle

Tangent

How to find a missing side with tangent

How to find an angle with tangent

How to find negative tangent

How to find positive tangent

How to find the domain of the tangent

How to find the period of the tangent

How to find the range of the tangent

How to find the tangent for the missing side

How to find the tangent of an angle

Data Analysis

17 decks

Probability

Outcomes

How to find the probability of an outcome

Statistics

Arithmetic Mean

How to find arithmetic mean

Median

How to find median

Mode

How to find mode

Range

How to find range

Venn Diagrams

Intersection

How to find the intersection of a Venn Diagram

Union

How to find the union of a Venn Diagram

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