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# Math

## Early math

Learn early elementary mathâ€”counting, shapes, basic addition and subtraction, and more.## Kindergarten

Learn kindergarten mathâ€”counting, basic addition and subtraction, and more. (aligned with Common Core standards)## 1st grade

Learn first grade mathâ€”addition, subtraction, length, graphs, time, and shapes. (aligned with Common Core standards)## 2nd grade

Learn second grade mathâ€”addition and subtraction with regrouping, place value, measurement, shapes, and more. (aligned with Common Core standards)## 3rd grade

Learn third grade mathâ€”fractions, area, arithmetic, and so much more. This course is aligned with Common Core standards.## 4th grade

Learn fourth grade mathâ€”arithmetic, measurement, geometry, fractions, and more. This course is aligned with Common Core standards.## 5th grade

Learn fifth grade mathâ€”arithmetic with fractions and decimals, volume, unit conversion, graphing points, and more. This course is aligned with Common Core standards.## 6th grade

Learn sixth grade mathâ€”ratios, exponents, long division, negative numbers, geometry, statistics, and more. (aligned with Common Core standards)## 7th grade

Learn seventh grade mathâ€”proportions, algebra basics, arithmetic with negative numbers, probability, circles, and more. (aligned with Common Core standards)## 8th grade

Learn eighth grade mathâ€”functions, linear equations, geometric transformations, and more. (aligned with Common Core standards)## Arithmetic

Learn the essentials of arithmeticâ€”all of the core arithmetic skills you'll need for algebra and beyond.## Basic geometry

Learn the basics of geometryâ€”the core skills you'll need for high school and college math.## Algebra basics

Learn the basics of algebraâ€”focused on common mathematical relationships, such as linear relationships.## Algebra I

The Algebra 1 course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a function; Exponential models; and Quadratic equations, functions, and graphs. Khan Academy's Algebra 1 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!## High school geometry

Learn high school geometryâ€”transformations, congruence, similarity, trigonometry, analytic geometry, and more. (aligned with Common Core standards)## Algebra II

The Algebra 2 course, often taught in the 11th grade, covers Polynomials; Complex Numbers; Rational Exponents; Exponential and Logarithmic Functions; Trigonometric Functions; Transformations of Functions; Rational Functions; and continuing the work with Equations and Modeling from previous grades. Khan Academy's Algebra 2 course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!## Trigonometry

Learn trigonometryâ€”right triangles, the unit circle, graphs, identities, and more.## Statistics and probability

Learn statistics and probabilityâ€”everything you'd want to know about descriptive and inferential statistics.## High school statistics

Learn high school statisticsâ€”scatterplots, two-way tables, normal distributions, binomial probability, and more.## APÂ®ď¸Ž Statistics

Learn a powerful collection of methods for working with data! APÂ®ď¸Ź Statistics is all about collecting, displaying, summarizing, interpreting, and making inferences from data.## Precalculus

The Precalculus course, often taught in the 12th grade, covers Polynomials; Complex Numbers; Composite Functions; Trigonometric Functions; Vectors; Matrices; Series; Conic Sections; and Probability and Combinatorics. Khan Academy's Precalculus course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!## Differential Calculus

Learn differential calculusâ€”limits, continuity, derivatives, and derivative applications.## Integral Calculus

Learn integral calculusâ€”indefinite integrals, Riemann sums, definite integrals, application problems, and more.## APÂ®ď¸Ž Calculus AB

Learn APÂ®ď¸Ž Calculus ABâ€”everything you need to know about limits, derivatives, and integrals to pass the APÂ® test.## APÂ®ď¸Ž Calculus BC

Learn APÂ®ď¸Ž Calculus BCâ€”everything from APÂ®ď¸Ž Calculus AB plus a few extra goodies, such as Taylor series, to prepare you for the APÂ®ď¸Ž test.## Multivariable calculus

Learn multivariable calculusâ€”derivatives and integrals of multivariable functions, application problems, and more.## Differential equations

Learn differential equationsâ€”differential equations, separable equations, exact equations, integrating factors, and homogeneous equations, and more.## Linear algebra

Learn linear algebraâ€”vectors, matrices, transformations, and more.## 6th grade (Illustrative Mathematics)

These materials enable personalized practice alongside the new Illustrative Mathematics 6th grade curriculum. They were created by Khan Academy math experts and reviewed for curriculum alignment by experts at both Illustrative Mathematics and Khan Academy.## 7th grade (Illustrative Mathematics)

These materials enable personalized practice alongside the new Illustrative Mathematics 7th grade curriculum. They were created by Khan Academy math experts and reviewed for curriculum alignment by experts at both Illustrative Mathematics and Khan Academy.## 8th grade (Illustrative Mathematics)

These materials enable personalized practice alongside the new Illustrative Mathematics 8th grade curriculum. They were created by Khan Academy math experts and reviewed for curriculum alignment by experts at both Illustrative Mathematics and Khan Academy.## 3rd grade (Eureka Math/EngageNY)

Learn third grade math aligned to the Eureka Math/EngageNY curriculumâ€”fractions, area, arithmetic, and so much more.## 4th grade (Eureka Math/EngageNY)

Learn fourth grade math aligned to the Eureka Math/EngageNY curriculumâ€”arithmetic, measurement, geometry, fractions, and more.## 5th grade (Eureka Math/EngageNY)

Learn fifth grade math aligned to the Eureka Math/EngageNY curriculumâ€”arithmetic with fractions and decimals, volume problems, unit conversion, graphing points, and more.## 6th grade (Eureka Math/EngageNY)

Learn sixth grade math aligned to the Eureka Math/EngageNY curriculumâ€”ratios, exponents, long division, negative numbers, geometry, statistics, and more.## 7th grade (Eureka Math/EngageNY)

Learn seventh grade math aligned to the Eureka Math/EngageNY curriculumâ€”proportions, algebra basics, arithmetic with negative numbers, probability, circles, and more.## 8th grade (Eureka Math/EngageNY)

Learn eighth grade math aligned to the Eureka Math/EngageNY curriculum â€”functions, linear equations, geometric transformations, and more.## Algebra I (Eureka Math/EngageNY)

Learn Algebra I aligned to the Eureka Math/EngageNY curriculum â€”linear functions and equations, exponential growth and decay, quadratics, and more.## Geometry (Eureka Math/EngageNY)

Learn Geometry aligned to the Eureka Math/EngageNY curriculum â€”transformations, congruence, similarity, and more.## Algebra II (Eureka Math/EngageNY)

Learn Algebra II aligned to the Eureka Math/EngageNY curriculum â€”polynomials, rational functions, trigonometry, and more.## Precalculus (Eureka Math/EngageNY)

Learn Precalculus aligned to the Eureka Math/EngageNY curriculum â€”complex numbers, vectors, matrices, and more.## 3rd grade foundations (Eureka Math/EngageNY)

Foundational material to help you prepare for Eureka Math/EngageNY 3rd grade## 4th grade foundations (Eureka Math/EngageNY)

Foundational material to help you prepare for Eureka Math/EngageNY 4th grade## 5th grade foundations (Eureka Math/EngageNY)

Foundational material to help you prepare for Eureka Math/EngageNY 5th grade## 6th grade foundations (Eureka Math/EngageNY)

Foundational material to help you prepare for Eureka Math/EngageNY 6th grade## 7th grade foundations (Eureka Math/EngageNY)

Foundational material to help you prepare for Eureka Math/EngageNY 7th grade## 8th grade foundations (Eureka Math/EngageNY)

Foundational material to help you prepare for Eureka Math/EngageNY 8th grade.## Mathematics I

The Mathematics I course, often taught in the 9th grade, covers Linear equations, inequalities, functions, and graphs; Systems of equations and inequalities; Extension of the concept of a function; Exponential models; Introductory statistics; and Geometric transformations and congruence. Khan Academy's Mathematics I course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!## Mathematics II

The Mathematics II course, often taught in the 10th grade, covers Quadratic equations, functions, and graphs; Complex numbers; Rational exponents and exponential models; Similarity and Trigonometry; Solids; Circles and other Conic sections; and introductory Probability. Khan Academy's Mathematics II course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!## Mathematics III

The Mathematics III course, often taught in the 11th grade, covers Polynomials; Logarithms; Transformations of functions; an extension of the worlds of Equations and Modeling; Trigonometric functions; Rational functions; and an extension of the world of Statistics and Probability. Khan Academy's Mathematics III course is built to deliver a comprehensive, illuminating, engaging, and Common Core aligned experience!## Arithmetic (all content)

Learn arithmeticâ€”addition & subtraction, multiplication & division, fractions, decimals, and more.## Math for fun and glory

Learn math you wouldn't encounter in a typical math classâ€”things like puzzles and competition math.## Recommended

## Get StartedCounting

Learn to count from 0 to 20.

Start learning