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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:
September 8, 2025
- LIVE
- CTY-Level
- Mathematics
Cryptology: Cracking Codes
Unlock the world of secret communication in this engaging, fast-paced introduction to cryptology. Over six weeks, during live weekly sessions with your classmates and instructor, we’ll explore how ...
No upcoming classes
- LIVE
- CTY-Level
- Mathematics
Data and Chance
This is an Online course adapted from the On-Campus course Data and Chance. Your CTY friend teaches you a dice game. If you roll a 4, you win and the game ends. If your friend rolls a 5, they win and the game ends. You take turns rolling until one person wins. If you roll first, what is the probability you will win? This course explores probability and statistics, two areas of mathematics that easily transfer from the classroom to the real world.
No upcoming classes
- LIVE
- CTY-Level
- Mathematics
Economic Chaos: Understanding Volatile Markets
What does it mean when bubbles burst, stock markets crash, and hyperinflation takes off? How do these major economic events affect businesses and individuals around the world? COVID-19 was one such ...
Next session begins:
September 10, 2025
- Session-Based
- CTY-Level
- Mathematics
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 8, 2025
- LIVE
- CTY-Level
- Mathematics
Game Theory and Strategy
Humans tend to make decisions based on emotions, rather than using cold, hard math—but when we learn to use strategy in decision-making, we can make more rational choices, minimize biases, and achieve ...
Next session begins:
September 10, 2025
- LIVE
- CTY-Level
- Mathematics
Geometry and Spatial Sense
Geometric and spatial reasoning skills are essential for living in and making sense of the world. Everything from solving a jigsaw puzzle to arranging furniture to efficiently packing a suitcase ...
No upcoming classes
- Club
- CTY-Level
- Mathematics
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:
September 8, 2025
- Individually Paced
- CTY-Level
- Mathematics
High School Competitive Mathematics I
Develop your problem-solving skills and your mathematical creativity while preparing for contests like the American Mathematics Competition (AMC). You'll learn to think at an advanced level while ...
- Individually Paced
- CTY-Level
- Mathematics
High School Competitive Mathematics Prep
Broaden your skills in problem-solving to foster mathematical creativity and prepare yourself for contests like the American Mathematics Competition (AMC). You'll learn to think at an even more ...
- Individually Paced
- CTY-Level
- Mathematics
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 ...
- Individually Paced
- CTY-Level
- Mathematics
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 ...
- Individually Paced
- CTY-Level
- Mathematics
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 ...
- Individually Paced
- CTY-Level
- Mathematics
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 ...
- Individually Paced
- CTY-Level
- Mathematics
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 ...
- Individually Paced
- CTY-Level
- Mathematics
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 ...
- Individually Paced
- CTY-Level
- Mathematics
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 ...
- Individually Paced
- CTY-Level
- Mathematics
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 ...
- Individually Paced
- CTY-Level
- Mathematics
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 ...
- Session-Based
- CTY-Level
- Mathematics
Intermediate Chess
Intermediate Chess is designed for students who want to build upon their foundational understanding. You will expand your knowledge of tactics and strategies in the game of chess. Starting with ...
No upcoming classes
- Session-Based
- CTY-Level
- Mathematics
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 ...
No upcoming classes
- LIVE
- CTY-Level
- Mathematics
Logic and Proofs: Fundamentals
Through engaging symbolic logic puzzles, Sudoku challenges, thought-provoking problems, and real-world applications, this course introduces advanced mathematical concepts that challenge the mind ...
No upcoming classes
- LIVE
- CTY-Level
- Mathematics
Math Meets Logic: Discovering Proofs
Reasoning, logic, and critical thinking are the building blocks of intellectual inquiry. In this course, we’ll focus on developing these skills as you are introduced to the idea of mathematical proofs ...
No upcoming classes
- LIVE
- CTY-Level
- Mathematics
Mathematics of Movie Magic
How do filmmakers transform basic geometric shapes into your favorite animated characters? How are animators able to portray those characters moving smoothly across the screen? How might an animator ...
No upcoming classes
- Individually Paced
- CTY-Level
- Mathematics
Middle School Competitive Mathematics II
Strengthen your analytical and problem-solving skills and become a stronger competitor in this challenging course that’s designed for students with minimal math competition experience at the middle ...