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Math Circles lessons from prior years have been organized by themes. A lesson may have more than one theme. These resources are provided for both students and teachers. Please use them!

Information about the audience, dates and location.

2023-2024 Materials | Number Sense | Geometry & Measurement | Algebra | Data Management | Computational Thinking |

Fall 2023 | |

Grade 6 |
Week 1 - Area, Volume, and Optimization [Lesson, Problem Set, Solutions] Week 2 - Conic Sections [Problem Set, Worksheet] Week 3 - Newton's Second Law [Lesson, Problem Set, Solutions] Week 4 - BCC Preparation [Lesson] Week 5 - Inequalities and Absolute Values [Lesson, Problem Set, Solutions] Week 6 - Encryption [Lesson, Problem Set, Solutions] Week 7 - Matrices [Lesson, Problem Set, Solutions] Week 8 - Jeopardy [Slides] |

Grade 7/8 |
Week 1 - Constructable Numbers [Lesson, Problem Set, Solutions] Week 2 - Platonic Solids [Lesson, Problem Set, Solutions] Week 3 - Intro to Proofs [Lesson, Problem Set, Solutions] Week 4 - BCC Preparation [Lesson] Week 5 - Geometric Sequences [Lesson, Problem Set, Solutions] Week 6 - Types of Numbers [Lesson, Problem Set, Solutions] Week 7 - Parabolas [Lesson, Problem Set, Solutions] Week 8 - Jeopardy [Slides] |

Grade 9/10 |
Week 1 - Euclidean and non-Euclidean Geometry [Lesson & Problems] Week 2 - Euclidean and non-Euclidean Geometry [Lesson] Week 3 - Euclidean and non-Euclidean Geometry [Lesson] Week 4 - Graph Theory [Lesson, Problem Set, Solutions] Week 5 - Graph Theory [Lesson, Problem Set, Solutions] Week 6 - Number Theory [Lesson, Problem Set] Week 7 - Number Theory [Lesson, Problem Set] Week 8 - Number Theory [Lesson, Problem Set] |

Grade 11/12 |
Week 1 - Digital Signal Processing [Lesson, Solutions] Week 2 - Signal Processing [Lesson, Solutions] Week 3 - Signal Processing [Lesson, Solutions] Week 4 - P-adic Numbers [Lesson, Problem Set, Solutions] Week 5 - P-adic Numbers [Lesson, Problem Set, Solutions] Week 6 - Grover's Algorithm [Lesson Part 1, Lesson Part 2] |

Winter 2024 | |

Grade 6 |
Week 1 - Divisibility [Lesson, Problem Set, Solutions] Week 2 - Knights and Knaves [Lesson, Problem Set, Solutions] Week 3 - Arithmetic Sequences [Lesson, Problem Set, Solutions] Week 4 - Gauss Prep [Lesson, Problem Set, Solutions] Week 5 - Binomial Coefficient [Lesson, Problem Set, Solutions] Week 6 - Math Paradoxes [Lesson, Problem Set, Solutions] Week 7 - Measurement and Number Systems [Lesson, Problem Set, Solutions] Week 8 - Jeopardy [Slides] |

Grade 7/8 |
Week 1 - Pigeonhole Principle [Lesson, Problem Set, Solutions] Week 2 - Trigonometric Ratios [Lesson, Problem Set, Solutions] Week 3 - Graph Isomorphisms [Lesson, Problem Set, Solutions] Week 4 - Gauss Prep [Lesson, Problem Set (Grade 7), Problem Set (Grade 8), Problem Set (Challenging), Solutions] Week 5 - Medical Diagnosis Tests [Lesson, Problem Set, Solutions] Week 6 - Polynomials [Lesson, Problem Set, Solutions] Week 7 - Continued Fractions [Lesson, Problem Set, Solutions] Week 8 - Jeopardy [Slides] |

Grade 9/10 |
Week 1 - Intro to Combinatorics [Lesson, Problem Set, Solutions] Week 2 - Intro to Combinatorics [Lesson, Problem Set, Solutions] Week 3 - Combinatorics (Pascal's Triangle) [Lesson, Problem Set, Solutions] Week 4 - Cryptography [Lesson, Notes & Exercises] Week 5 - Cryptography [Lesson] Week 6 - Probability [Lesson, Problem Set, Solutions] Week 7 - Probability 2 [Lesson, Problem Set, Solutions] Week 8 - Probability 3 [Lesson, Problem Set, Solutions] |

Grade 11/12 |
Week 1 - From Matrices to Neural Networks [Lesson, Problem Set, Solutions] Week 2 - Limits [Lesson, Problem Set, Solutions] Week 3 - Neural Networks [Lesson, Problem Set, Solutions] Weeks 4 & 5 - Population Modeling [Lesson, Problem Set, Solutions, Appendix] Week 6 - Primality Testing [Lesson, Problem Set, Solutions] Week 7 - Primality Testing 2 [Lesson, Problem Set, Solutions] Week 8 - Primality Testing 3 [Lesson, Problem Set, Solutions] |