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# Math

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## Early math

Learn early elementary math—counting, shapes, basic addition and subtraction, and more.## Kindergarten

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

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

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

Learn third grade math—fractions, area, arithmetic, and so much more. (aligned with Common Core standards)## 4th grade

Learn fourth grade math—arithmetic, measurement, geometry, fractions, and more. (aligned with Common Core standards)## 5th grade

Learn fifth grade math—arithmetic with fractions and decimals, volume problems, unit conversion, graphing points, and more. (aligned with Common Core standards)## 6th grade

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

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

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

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

Learn the basics of geometry—the core skills you'll need for high school and college math.## Algebra basics

Learn the basics of algebra—focused on common mathematical relationships, such as linear relationships.## High school geometry

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

Learn algebra 2—tackle more complex (and interesting!) mathematical relationships than in algebra 1. (aligned with Common Core standards)## Trigonometry

Learn trigonometry—right triangles, the unit circle, graphs, identities, and more.## Statistics and probability

Learn statistics and probability—everything you'd want to know about descriptive and inferential statistics.## High school statistics

Learn high school statistics—scatterplots, two-way tables, normal distributions, binomial probability, and more.## AP®︎ Statistics

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

Learn precalculus in preparation for calculus. We cover trigonometry, conic sections, matrices, complex numbers, combinatorics, and more. (aligned with Common Core standards)## Differential Calculus

Learn differential calculus—limits, continuity, derivatives, and derivative applications.## Integral Calculus

Learn integral calculus—indefinite integrals, Riemann sums, definite integrals, application problems, and more.## AP®︎ Calculus AB

Learn AP®︎ Calculus AB—everything you need to know about limits, derivatives, and integrals to pass the AP® test.## AP®︎ Calculus BC

Learn AP®︎ Calculus BC—everything from AP®︎ Calculus AB plus a few extra goodies, such as Taylor series, to prepare you for the AP®︎ test.## Multivariable calculus

Learn multivariable calculus—derivatives and integrals of multivariable functions, application problems, and more.## Differential equations

Learn differential equations—differential equations, separable equations, exact equations, integrating factors, and homogeneous equations, and more.## Linear algebra

Learn linear algebra—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 curriculum—fractions, area, arithmetic, and so much more.## 4th grade (Eureka Math/EngageNY)

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

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

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

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

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

Learn Precalculus aligned to the Eureka Math/EngageNY curriculum —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

Learn the first year of high school math—linear relationships and systems, introductory statistics, geometric transformations, and more. (aligned with Common Core standards)## Mathematics II

Learn the second year of high school math—polynomials, quadratics, exponentials, basic trigonometry, probability, and more. (aligned with Common Core standards)## Mathematics III

Learn the third year of high school math—a variety of mathematical relationships, unit circle trigonometry, series, binomial probability, and more. (aligned with Common Core standards)## Arithmetic (all content)

Learn arithmetic—addition & subtraction, multiplication & division, fractions, decimals, and more.## Math for fun and glory

"Math is like ice cream, with more flavors than you can imagine—and if all your children ever do is textbook math, that's like feeding them broccoli-flavored ice cream." —Denise Gaskins## Recommended

## Get StartedCounting

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