Learn adults math

Explore all the essential math subjects for adults. From basic arithmetic to geometry, our comprehensive resources will help you learn each topic. Start your adults math journey today with detailed lessons and practice exercise.

Fractions

Operations with Fractions Denominator Numerator Placing Fractions on the Number Line Multiplication of Integers by a Fraction and a Mixed Number Addition and Subtraction of Mixed Numbers Mixed Numbers and Fractions Greater Than 1 Comparing Fractions Division of Fractions Multiplication of Fractions Subtraction of Fractions Sum of Fractions Part of a quantity Hundredths and Thousandths Common denominator Simplification and Expansion of Simple Fractions How do you simplify fractions? A fraction as a divisor

Decimal Fractions

Density Decimal Measurements Repeating Decimal Division of Decimal Numbers Multiplication of Decimal Numbers Multiplication and Division of Decimal Numbers by 10, 100, etc. Converting Decimals to Fractions Comparison of Decimal Numbers Addition and Subtraction of Decimal Numbers Reducing and Expanding Decimal Numbers What is a Decimal Number? Converting a Decimal Fraction to a Mixed Number

What is a Decimal Number?

Density Decimal Measurements Repeating Decimal Division of Decimal Numbers Multiplication of Decimal Numbers Multiplication and Division of Decimal Numbers by 10, 100, etc. Converting Decimals to Fractions Comparison of Decimal Numbers Addition and Subtraction of Decimal Numbers Reducing and Expanding Decimal Numbers

Sides, Vertices, and Angles

The Sum of the Interior Angles of a Triangle Sum of Angles in a Polygon Sum and Difference of Angles Plane angle Obtuse Angle Acute Angles Right angle Types of Angles Angle Bisector Angle Notation

Sum and Difference of Angles

The Sum of the Interior Angles of a Triangle Sum of Angles in a Polygon

Types of Angles

Plane angle Obtuse Angle Acute Angles Right angle

First-degree equations with one unknown

Solving Equations by Simplifying Like Terms Solving Equations by Multiplying or Dividing Both Sides by the Same Number Solving Equations by Adding or Subtracting the Same Number from Both Sides Solving Equations Using the Distributive Property

Algebraic Method

The Extended Distributive Property Factorization: Common factor extraction Uses of Factorization Factoring using contracted multiplication Extracting the common factor in parentheses Factoring Trinomials Solving Equations by Factoring Factorization

How to Calculate Percentage

Estimation

Recurrence Relations

Sequences

Exponents and Exponent rules

The exponent of a power Basis of a power Exponents of Negative Numbers Zero Exponent Rule Negative Exponents Exponents - Special Cases Prime Factorization with Exponents

Rules of Exponentiation

Properties of Exponents Power of a Power Division of Exponents with the Same Base Multiplying Exponents with the Same Base Exponent of a Multiplication Power of a Quotient Combining Powers and Roots

Types of Triangles

Isosceles triangle Acute triangle Scalene triangle Identification of an Isosceles Triangle Equilateral triangle Obtuse Triangle

The Area of a Triangle

Area of Equilateral Triangles Area of a Scalene Triangle Area of Isosceles Triangles Area of a right triangle

Parallelogram

From the Quadrilateral to the Parallelogram Rotational Symmetry in Parallelograms Identifying a Parallelogram Perimeter of a Parallelogram The area of a parallelogram: what is it and how is it calculated?

Trapezoids

Isosceles Trapezoid Types of Trapezoids Perimeter of a trapezoid Area of a trapezoid Diagonals of an isosceles trapezoid Symmetry in Trapezoids

Kite

Area of a Deltoid (Kite)

Rhombus, kite, or diamond?

The Area of a Rhombus From Parallelogram to Rhombus Lines of Symmetry in a Rhombus Diagonals of a Rhombus

Two linear equations with two unknowns

Verbal Problem Solving With a System of Linear Equations Solution with graphical method for linear equations with two variables Linear equation with two variables Solving with the method of equalization for systems of two linear equations with two unknowns Substitution method for two linear equations with two unknowns Algebraic solution for linear equations with two unknowns

Parabola

Vertex of a parabola Positive and Negative intervals of a Quadratic Function Increasing and Decreasing Intervals of a Parabola Finding the Zeros of a Parabola Plotting the Quadratic Function Using Parameters a, b and c Symmetry in a parabola