School
School math, Kindergarten to college
Every course follows the US Common Core path. Each unit has written lessons with worked examples, practice problems that check your answers, and a unit test.
Elementary School
Kindergarten through 5th grade
Kindergarten Math
Counting, comparing numbers, first steps in addition and subtraction, measuring, and recognizing shapes.
7 units · 31 lessons
1st Grade Math
Addition and subtraction within 20, place value with tens and ones, measuring length, telling time, and shapes.
8 units · 29 lessons
2nd Grade Math
Place value to 1,000, adding and subtracting with regrouping, measurement, time and money, graphs, and early fractions.
8 units · 29 lessons
3rd Grade Math
Multiplication and division, fractions on a number line, area and perimeter, time, and measurement.
9 units · 38 lessons
4th Grade Math
Multi-digit multiplication and division, factors and multiples, fraction equivalence and operations, decimals, and angles.
9 units · 34 lessons
5th Grade Math
Decimals to thousandths, fraction operations, volume, numerical expressions, and the coordinate plane.
9 units · 28 lessons
Middle School
6th through 8th grade, up to Pre-Algebra
6th Grade Math
Ratios and rates, dividing fractions, negative numbers, expressions and equations, area and volume, and statistics.
8 units · 39 lessons
7th Grade Math
Proportional relationships, percents, operations with rational numbers, equations and inequalities, geometry, and probability.
8 units · 36 lessons
8th Grade Math
Irrational numbers, exponents and scientific notation, linear equations and functions, systems, transformations, and the Pythagorean theorem.
9 units · 38 lessons
Pre-Algebra
The bridge to Algebra 1: integers, fractions, ratios and percents, expressions, equations and inequalities, exponents, and graphing lines.
10 units · 40 lessons
High School
The core high school sequence
Algebra 1
Variables, equations, inequalities, linear functions, systems, exponents, polynomials and quadratics. The foundation for every high school math course that follows.
10 units · 57 lessons
Geometry
Reasoning and proof, transformations, congruence and similarity, right triangle trigonometry, circles, area and volume, and probability.
12 units · 70 lessons
Algebra 2
Functions and transformations, quadratics and complex numbers, polynomials, radicals, exponentials and logarithms, rational functions, sequences, and trigonometric functions.
9 units · 50 lessons
Trigonometry
Angles and radians, the six trig functions, the unit circle, graphs, inverse functions, identities, equations, oblique triangles, vectors and polar form.
9 units · 37 lessons
Precalculus
Functions in depth, polynomial and rational functions, exponentials and logs, trigonometry, polar and parametric equations, conics, matrices, sequences, and an introduction to limits.
11 units · 44 lessons
AP Courses
College Board Advanced Placement
AP Calculus AB
The full AP Calculus AB course: limits, derivatives and their applications, integrals, differential equations, and applications of integration.
8 units · 54 lessons
AP Calculus BC
Everything in AB, plus advanced integration, Euler's method and logistic growth, parametric, polar and vector calculus, and infinite series. Starts with a fast-paced review of AB.
6 units · 35 lessons
AP Statistics
The full AP Statistics course: exploring data, collecting data, probability and random variables, sampling distributions, and statistical inference.
9 units · 46 lessons
Beyond AP
College-level math for advanced students
Multivariable Calculus
Calculus in three dimensions: vectors, vector-valued functions, partial derivatives, multiple integrals, and vector calculus through Stokes' and the divergence theorem.
5 units · 33 lessons
Linear Algebra
Systems of equations, matrices, determinants, vector spaces, eigenvalues and eigenvectors, orthogonality and least squares, and the singular value decomposition.
7 units · 33 lessons