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AP® Calculus AB
Prepare for the AP Calculus AB exam with this college-level course that covers topics in single-variable differential and integral calculus. You’ll learn from your instructor, as well as from an ...

Grade 8+

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AP® Calculus AB (NCAA Approved)
Prepare for the AP Calculus AB exam with this college-level course that covers topics in single-variable differential and integral calculus. You’ll engage with your instructor and classmates in ...
Next start date: September 9, 2024

Grade 8+

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AP® Calculus BC
Set yourself up for success on the AP Calculus BC exam in this intensive, college-level course that covers topics in single-variable differential and integral calculus. Through engagement with the ...

Grade 8+

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AP® Calculus BC (NCAA Approved)
Set yourself up for success on the AP Calculus BC exam in this intensive, college-level course that covers topics in single-variable differential and integral calculus. Through engagement with the ...
Next start date: September 9, 2024

Grade 8+

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AP® Statistics
Delve into the discipline of data while also covering topics in probability, regression analysis, and sampling distributions. You’ll learn statistics through solving practice problems, consulting the ...

Grade 7+

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AP® Statistics (NCAA Approved)
Delve into the discipline of data while also covering topics in probability, regression analysis, and sampling distributions. You’ll learn statistics by solving practice problems, consulting the ...
Next start date: September 9, 2024

Grade 7+

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Calculus C
Learn the second half of the material covered on the AP® Calculus BC exam by engaging with your instructor, the electronic textbook, interactive lessons, a graphing calculator, and other online course ...

Grade 8+

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Chess Club
Welcome to the club! In CTY’s Chess Club, students who enjoy playing the game come together to practice their chess tactics and strategies in a community setting. Through forum discussion and the ...
Next start date: June 17, 2024

Grade 4+

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Cryptology: Math and Codes
Make and break secret codes in this exciting introductory cryptology course. You’ll begin with simple Caesar ciphers, learning to encrypt and decrypt messages as well as the history behind the cipher ...

Grades 5-7

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Differential Equations
Explore topics typically covered in a semester introduction to Ordinary Differential Equations. We’ll reinforce learning through interactive online materials, homework, quizzes, projects, and exams ...

Grade 9+

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Disease Modeling
When the threat of pandemic looms, all eyes turn to the experts. Each outbreak is unique and raises different concerns; in providing answers, infectious diseases specialists rely on data and accurate ...
Next session begins: June 17, 2024

Grades 7-10

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Elementary Number Theory
In this course we’ll get to know the deep theory of integers, with special focus on the properties of prime numbers and integer or rational solutions to equations. You’ll cover topics aligned with ...

Grade 7+

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Excursions in Pre-algebra
Explore how mathematics relates to food, art, and history in this interactive pre-algebra course. Through weekly meetings, collaborative activities, and hands-on projects, you’ll sharpen your ...
Next start date: September 9, 2024

Grades 6-9

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Game Design
What counts as a game? What are games made of? How are successful games designed and built? Read theory that orients you to how games work, why people play them, and what makes a good game. Play ...
Next session begins: June 17, 2024

Grades 7-10

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Geometric and Spatial Reasoning
Geometric and spatial reasoning skills are essential for living in and making sense of the world around us. Everything from solving a jigsaw puzzle to arranging furniture to efficiently packing a bag ...
Next session begins: June 17, 2024

Grades 3-4

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High School Competitive Math Club
Want to solve problems and learn strategies with other kids who love competitive math? Then welcome to the club! Through weekly meetings and asynchronous forum discussion, you’ll work with a small ...
Next start date: June 17, 2024

Grade 7+

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Honors Algebra I
Explore variables, expressions, and linear, exponential, and quadratic function applications in this full-length online Honors Algebra I course. We’ll use modeling and real-life scenarios to extend ...

Grades 6-9

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Honors Algebra I (NCAA Approved)
Explore variables, expressions, linear, exponential, and quadratic function applications in this full-length online Honors Algebra I course. We’ll use modeling and real-life scenarios to dive deeper ...
Next start date: September 9, 2024

Grades 6-9

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Honors Algebra II
This full-length online Honors Algebra II course expands upon topics introduced in Algebra I to teach you how to manipulate and apply more advanced functions and operations to polynomials, radicals ...

Grades 7-11

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Honors Algebra II (NCAA Approved)
This full-length online Honors Algebra II course will prepare you for Pre-Calculus and Statistics. We will extend topics introduced in Algebra I and learn to manipulate and apply more advanced ...
Next start date: September 9, 2024

Grades 7-11

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Honors Geometry
This course covers concepts typically offered in a full-year honors geometry course. You’ll explore geometric proofs, triangle relationships, transformations, right triangle trigonometry, circles ...

Grades 6-11

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Honors Geometry (NCAA Approved)
This course covers concepts typically offered in a full-year honors geometry course. You’ll explore geometric proofs, triangle relationships, transformations, right triangle trigonometry, circles ...
Next start date: September 9, 2024

Grades 6-11

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Honors Grade 3 Mathematics
This course covers a full-year honors curriculum, aligned with the Common Core State Standards, to prepare students for success in grade 4 mathematics. We’ll start by reviewing grade 2 concepts and ...

Grades 2-3

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Honors Grade 4 Mathematics
Tackle lessons typically offered in a full year of honors math curriculum in this intensive course that offers a review of Grade 3 topics and prepares you for Grade 5 mathematics. Engage with videos ...

Grades 2-4

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Honors Grade 5 Mathematics
Tackle a full year of honors mathematics with this Grade 5 curriculum that will set you up for success in Grade 6 honors math. You’ll begin by reviewing concepts such as algebraic variables and ...

Grades 3-5

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Honors Grade 6 Mathematics
Tackle a full year of honors mathematics with this Grade 6 curriculum that will set you up for success with Honors Pre-Algebra. In this course, students will be introduced to the theory and ...

Grades 4-6

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Honors Grade 7 Mathematics
This full-year, Common Core-aligned course explores proportional relationships, statistical sampling, linear expressions and equations, and two- and three-dimensional geometry. You’ll grow comfortable ...

Grades 5-7

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Honors Grade 8 Mathematics
This full-year Common Core-aligned course focuses on the study of algebraic manipulation and graphical interpretations as you cover topics taught in preparation for Honors Algebra I. You’ll grow ...

Grades 6-8

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Honors Precalculus
Learn to manipulate and apply more advanced algebraic techniques while building on topics introduced in Algebra II. Through videos and interactive lessons, you’ll learn concepts in standard, advanced ...

Grade 7+

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Honors Precalculus (NCAA Approved)
Learn to manipulate and apply more advanced algebraic techniques while building on topics introduced in Algebra II. Through videos and interactive lessons, you’ll learn concepts in standard, advanced ...
Next start date: September 9, 2024

Grade 7+

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Honors Trigonometry
This course covers intermediate and advanced trigonometry and precalculus concepts. You’ll learn trigonometry by actively engaging with videos, practice problems, and other online course materials ...

Grade 7+

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Intermediate Chess
In Intermediate Chess, you will expand your knowledge of tactics and strategies in the game of chess. Starting with opening goals, you will learn tactical motifs and strategies to employ through a ...
Next start date: June 17, 2024

Grade 4+

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Introduction to Abstract Mathematics
Construct logical arguments as a proof to verify mathematical statements in this college-level course that follows Multivariable Calculus and builds upon Linear Algebra. Techniques and methods of ...

Grade 10+

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Introduction to Chess
Introduction to Chess provides new or beginning students with a strong foundation in the game’s rules and strategies, and a community of enthusiasts to learn alongside. You’ll begin with a brief ...
Next start date: June 17, 2024

Grades 3-8

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Introduction to Complex Analysis
This course will introduce you to the theory of functions of a complex variable—a core area of mathematics. We will also cover complex numbers and their properties, analytic functions and the Cauchy ...

Grade 10+

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Introduction to Logic and Proofs
Explore advanced mathematical concepts in fun and interesting ways and build a strong foundation for high school, computer science, and college-level logic coursework in this introductory logic class ...
Next start date: June 17, 2024

Grade 7+

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Introduction to Real Analysis
Begin exploring the theoretical foundations underlying the concepts taught in a typical single-variable Calculus course: algebraic and order properties of the real numbers, the least upper bound axiom ...

Grade 10+

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Linear Algebra
This course is equivalent to a first-year college linear algebra curriculum, exploring concepts typically offered in an introductory college linear algebra course, including linear systems of ...

Grade 9+

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Linear Algebra (NCAA Approved)
This course is equivalent to a first-year college linear algebra curriculum, exploring concepts typically offered in an introductory college linear algebra course, including linear systems of ...
Next start date: September 9, 2024

Grade 9+

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Mathematical Proofs
Reasoning, logic, and critical thinking are the building blocks of intellectual inquiry. Focus on developing these skills through problem-solving and exposure to a wide range of topics in mathematics ...
Next session begins: June 17, 2024

Grades 5-6

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Mathematics of Pixar
Learn how digital artists animate the mouth of a Toy Story character by manipulating a single point on a polygon, or how combinations are applied to turn three unique robot designs into 3,000 ...
Next session begins: June 17, 2024

Grades 4-5

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Modern Cryptography
In the age of digital surveillance, apps boasting end-to-end encryption such as WhatsApp and Telegram have flourished. What are these tools, and how do they work? How have developments in modern ...
Next session begins: June 17, 2024

Grades 7-10

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