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Math

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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)

Arithmetic

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

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!

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!

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 equations

Learn differential equations—differential equations, separable equations, exact equations, integrating factors, and homogeneous equations, 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

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!

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Counting

Learn to count from 0 to 20.
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