24 courses · 436 lessons
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Quadratic formula
Fractions
Derivatives
Probability
Pythagorean
Eigenvalues
Elementary
Grades 3–5
Whole Numbers & Operations
4 units · 16 lessons
Place value, the four operations, factors and multiples: the foundation for all later math.
Fractions & Decimals
4 units · 15 lessons
Understand, compare and compute with fractions and decimals, and connect them to percents.
Measurement, Shapes & Data
4 units · 12 lessons
Units and conversions, shapes and their properties, perimeter, area, volume and simple graphs.
Middle School
Grades 6–8
Ratios, Rates & Percents
4 units · 14 lessons
Proportional reasoning for real life: ratios, unit rates, percents, discounts and interest.
Pre-Algebra
5 units · 20 lessons
Integers, exponents, expressions, equations and inequalities: everything you need before Algebra I.
Middle School Geometry
4 units · 15 lessons
Angles, area, volume, surface area, the Pythagorean theorem and transformations.
Intro to Statistics & Probability
4 units · 13 lessons
Describe and display data, measure center and spread, and calculate simple probabilities.
High School
Grades 9–12
Algebra I
7 units · 26 lessons
Linear equations and functions, systems, polynomials, factoring, quadratics and exponential models.
Geometry
6 units · 24 lessons
Proofs, congruence, similarity, right triangles, circles, polygons, solids and coordinate geometry.
Algebra II
6 units · 26 lessons
Functions, complex numbers, polynomials, rational and radical functions, logarithms and sequences.
Trigonometry
5 units · 19 lessons
The unit circle, trig functions and graphs, identities, equations, laws of sines and cosines, and vectors.
Precalculus
6 units · 21 lessons
A deep review of functions, exponentials, trigonometry, conics, vectors, matrices and limits before calculus.
Statistics & Probability
6 units · 24 lessons
AP-level statistics: distributions, regression, study design, probability, random variables and inference.
Financial Mathematics
4 units · 11 lessons
The math of money: interest, saving, investing, loans, credit and budgeting.
University
College & beyond
Calculus I: Limits & Derivatives
4 units · 22 lessons
Limits, continuity, differentiation rules, applications of derivatives and an introduction to integrals.
Calculus II: Integrals & Series
5 units · 22 lessons
Integration techniques and applications, sequences and series, power series and polar/parametric calculus.
Multivariable Calculus
5 units · 20 lessons
Vectors and 3D space, partial derivatives, optimization, multiple integrals and vector calculus.
Linear Algebra
6 units · 21 lessons
Linear systems, matrices, vector spaces, eigenvalues, orthogonality and the SVD.
Differential Equations
5 units · 19 lessons
First- and second-order ODEs, modeling, Laplace transforms, systems and series solutions.
Discrete Mathematics
6 units · 23 lessons
Logic, proofs, sets, counting, recurrences, graph theory and number theory for computer science.
Probability Theory
5 units · 15 lessons
Axiomatic probability, discrete and continuous random variables, joint distributions and limit theorems.
Number Theory
4 units · 13 lessons
Divisibility, primes, congruences and classic theorems of elementary number theory.
Real Analysis
5 units · 13 lessons
The rigorous foundations of calculus: completeness, sequences, continuity, differentiation and integration.
Abstract Algebra
4 units · 12 lessons
Groups, homomorphisms, rings and fields: the structures behind algebra.
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