ACT Math Flashcards

Study Materials

Flashcard Topics

• ACT Math

  • Algebra+163 topics

    • Algebraic Fractions+5 topics

      • 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+4 topics

      • 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+38 topics

      • Circles+1 topic

        • How to find the equation of a circle

      • Graphing+9 topics

        • 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+20 topics

        • Distance Formula+1 topic

          • How to find the length of a line with distance formula

        • Midpoint Formula+2 topics

          • How to find the endpoints of a line segment

          • How to find the midpoint of a line segment

        • Other Lines+3 topics

          • 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+3 topics

          • 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+3 topics

          • 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+2 topics

          • How to find the equation of a tangent line

          • How to find the slope of a tangent line

      • Transformation+1 topic

        • How to find transformation for an analytic geometry equation

      • x and y Intercept+2 topics

        • How to find the equation of a curve

        • How to find x or y intercept

    • Distributive Property+3 topics

      • FOIL+2 topics

        • How to use FOIL with the distributive property

        • How to use the grid method for FOIL

    • Equations / Inequalities+18 topics

      • Factoring Equations+1 topic

        • How to factor an equation

      • Inequalities+4 topics

        • 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+3 topics

        • 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+2 topics

        • How to factor the quadratic equation

        • How to find the solution to a quadratic equation a1

      • Solution Sets+1 topic

        • How to find a solution set

      • Systems of Equations+1 topic

        • How to find the solution for a system of equations

    • Exponents+31 topics

      • Exponential Operations+4 topics

        • How to add exponents

        • How to divide exponents

        • How to multiply exponents

        • How to subtract exponents

      • Exponential Ratios+1 topic

        • How to find a ratio of exponents

      • Exponents and Rational Numbers+2 topics

        • How to find a rational number from an exponent

        • How to find an exponent from a rational number

      • Exponents and the Distributive Property+1 topic

        • How to use FOIL with exponents

      • Logarithms+1 topic

        • How to find a logarithm

      • Other Exponents+1 topic

        • How to use scientific notation

      • Pattern Behaviors in Exponents+2 topics

        • How to find compound interest

        • How to find patterns in exponents

      • Squaring / Square Roots / Radicals+11 topics

        • Complex Numbers+4 topics

          • How to add complex numbers

          • How to divide complex numbers

          • How to multiply complex numbers

          • How to subtract complex numbers

        • Factoring Squares+1 topic

          • How to factor a common factor out of squares

        • Square of Difference+1 topic

          • How to find the square of difference

        • Square of Sum+1 topic

          • How to find the square of a sum

    • Expressions+11 topics

      • Evaluating Expressions+1 topic

        • How to evaluate algebraic expressions

      • Rational Expressions+6 topics

        • 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+1 topic

        • How to simplify an expression

    • Matrices+9 topics

      • Matrix Combinations+1 topic

        • How to find combinations with a matrix

      • Other Matrices+3 topics

        • How to add matrices

        • How to find an answer with a matrix

        • How to subtract matrices

      • Scalar interactions with Matrices+2 topics

        • How to find scalar interactions with a matrix

        • How to multiply a matrix by a scalar

    • Variables+35 topics

      • Direct and Inverse Variation+2 topics

        • How to use the direct variation formula

        • How to use the inverse variation formula

      • Factoring+1 topic

        • How to factor a variable

      • Monomials+3 topics

        • How to divide monomial quotients

        • How to multiply a monomial by a polynomial

        • How to multiply monomial quotients

      • Polynomials+25 topics

        • Binomials+10 topics

          • Binomial Denominators+1 topic

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

          • Binomials and FOIL+1 topic

            • How to multiply binomials with the distributive property

          • Coefficients+1 topic

            • How to find the value of the coefficient

          • Other Binomials+1 topic

            • How to find the solution to a binomial problem

          • Simplifying+1 topic

            • How to simplify binomials

        • Factoring Polynomials+1 topic

          • How to factor a polynomial

        • Polynomial Operations+5 topics

          • 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+5 topics

          • How to add trinomials

          • How to divide trinomials

          • How to factor a trinomial

          • How to multiply trinomials

          • How to subtract trinomials

  • Arithmetic+157 topics

    • Basic Squaring / Square Roots+13 topics

      • Factoring Common Factors of Squares and Square Roots+1 topic

        • How to find the common factor of square roots

      • Other Squaring / Square Roots+1 topic

        • How to find the square of an integer

      • Simplifying Square Roots+2 topics

        • How to find the common factors of squares

        • How to simplify square roots

      • Square Roots and Operations+5 topics

        • 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+15 topics

      • Basic Squaring / Square Roots+2 topics

        • How to find the square root of a decimal

        • How to square a decimal

      • Decimals with Fractions+3 topics

        • How to find decimal fractions

        • How to find the decimal equivalent of a fraction

        • How to find the fractional equivalent of a decimal

      • Ordering+1 topic

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

      • Other Decimals+5 topics

        • How to add decimals

        • How to convert decimals to scientific notation

        • How to divide decimals

        • How to multiply decimals

        • How to subtract decimals

    • Fractions+44 topics

      • Complex Fractions+5 topics

        • 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+1 topic

        • How to find a solution to a compound fraction

      • Decimals with Fractions+3 topics

        • How to find decimal fractions

        • How to find the decimal equivalent of a fraction

        • How to find the fractional equivalent of a decimal

      • Fractions and Percentage+3 topics

        • How to find a fraction from a percentage

        • How to find fractional percentages

        • How to find percentage from a fraction a1

      • Infinite Fractions+1 topic

        • How to find the amount of rational numbers between two numbers

      • Lowest Common Denominator+1 topic

        • How to find the lowest / least common denominator

      • Mixed / Improper Fractions+2 topics

        • 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+4 topics

        • How to add fractions

        • How to divide fractions

        • How to multiply fractions

        • How to subtract fractions

      • Ordering +1 topic

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

      • Proportion / Ratio / Rate+6 topics

        • 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+1 topic

        • How to find the reciprocal of a fraction

      • Simplifying Fractions+1 topic

        • How to simplify a fraction

      • Whole and Part+2 topics

        • How to find the part from the whole with fractions

        • How to find the whole from the part with fractions

    • Integers+55 topics

      • Absolute Value+1 topic

        • How to find absolute value

      • Counting+1 topic

        • How to find the number of integers between two other integers

      • Even / Odd Numbers+8 topics

        • 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+8 topics

        • Greatest Common Factor+1 topic

          • How to find the greatest common factor a1

        • Least Common Multiple+1 topic

          • How to find the least common multiple

        • Other Factors / Multiples+1 topic

          • How to factor a number

        • Prime Numbers+1 topic

          • How to find out if a number is prime

      • Negative Numbers+4 topics

        • How to add negative numbers

        • How to divide negative numbers

        • How to multiply negative numbers

        • How to subtract negative numbers

      • Number Line+6 topics

        • Graphing an equation with a number line+1 topic

          • How to graph an equation with a number line

        • Graphing an Inequality with a Number Line+1 topic

          • How to graph an inequality with a number line

        • Other Number Line+1 topic

          • How to find value with a number line

      • Operations+4 topics

        • How to add integers

        • How to divide integers

        • How to multiply integers

        • How to subtract integers

      • Permutation / Combination+2 topics

        • How to find permutation notation

        • How to find the greatest or least number of combinations

      • Sequences+10 topics

        • Arithmetic Sequences+5 topics

          • nth Term of an Arithmetic Sequence+2 topics

            • How to find the next term in an arithmetic sequence

            • How to find the nth term of an arithmetic sequence

          • Other Arithmetic Sequences+1 topic

            • How to find the answer to an arithmetic sequence

        • Common Difference in Sequences+1 topic

          • How to find the common difference in sequences

        • Consecutive Integers+1 topic

          • How to find consecutive integers

      • Sets+1 topic

        • How to find the missing number in a set

    • Order of Operations+1 topic

      • How to find order of operations

    • Percentage+23 topics

      • Decimals and Percentage+2 topics

        • How to find decimal equivalent to a percentage

        • How to find percentage equivalent to a decimal

      • Fractions and Percentage+3 topics

        • How to find a fraction from a percentage

        • How to find fractional percentages

        • How to find percentage from a fraction

      • Interest+1 topic

        • How to find simple interest

      • Other Percentage+1 topic

        • How to find percentage

      • Percent of Change+2 topics

        • How to find the percent of decrease

        • How to find the percent of increase

      • Profit Margin+1 topic

        • How to find amount of profit

      • Sale Prices+1 topic

        • How to find the sale price

      • Sales tax+1 topic

        • How to find the amount of sales tax

      • Whole and Part+2 topics

        • How to find the part from the whole with percentage

        • How to find the whole from the part with percentage

  • Data Analysis+17 topics

    • Probability+2 topics

      • Outcomes+1 topic

        • How to find the probability of an outcome

    • Statistics+8 topics

      • Arithmetic Mean+1 topic

        • How to find arithmetic mean

      • Median+1 topic

        • How to find median

      • Mode+1 topic

        • How to find mode

      • Range+1 topic

        • How to find range

    • Venn Diagrams+4 topics

      • Intersection+1 topic

        • How to find the intersection of a Venn Diagram

      • Union+1 topic

        • How to find the union of a Venn Diagram

  • Geometry+161 topics

    • Coordinate Geometry

    • Plane Geometry+124 topics

      • Circles+18 topics

        • Chords+1 topic

          • How to find the length of a chord

        • Clock Math+2 topics

          • How to find the angle of clock hands

          • How to find the distance between clock hands

        • Diameter+2 topics

          • How to find the length of the diameter

          • How to find the ratio of diameter and circumference

        • Radius+3 topics

          • How to find circumference

          • How to find the area of a circle

          • How to find the length of a radius

        • Sectors+5 topics

          • 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+6 topics

        • 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+1 topic

        • How to find an angle of a line

      • Other Polygons+5 topics

        • 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+5 topics

        • 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+44 topics

        • Kites+5 topics

          • 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+6 topics

          • 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+5 topics

          • 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+5 topics

          • 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+6 topics

          • 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+4 topics

          • 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+6 topics

          • 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+38 topics

        • Acute / Obtuse Triangles+8 topics

          • 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+4 topics

          • 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+14 topics

          • 45/45/90 Right Isosceles Triangles+5 topics

            • 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+7 topics

            • 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+8 topics

          • 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+34 topics

      • Cones+2 topics

        • How to find the surface area of a cone

        • How to find the volume of a cone

      • Cubes+4 topics

        • 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+2 topics

        • How to find the surface area of a cylinder

        • How to find the volume of a cylinder

      • Other Polyhedrons+3 topics

        • 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+4 topics

        • 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+3 topics

        • 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+4 topics

        • 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+4 topics

        • 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

  • Trigonometry+32 topics

    • Cosine+9 topics

      • 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+1 topic

      • How to find a reference angle

    • Sine+9 topics

      • 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+9 topics

      • 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