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#
Math Circles Presentations

## 2019 - 2020 Weekly Presentations and Exercises

## Previous Weekly Presentations and Related Student Exercises

Math Circles is a free weekly enrichment activity for grade 6 to 12 students organized by the Faculty of Mathematics of the University of Waterloo.

Information about the audience, dates and location.

Listed in the tables below are summaries of the weekly presentations and related student exercises for the current year. Links to materials from previous years are below the tables. These resources are provided for both students and teachers. Please use them!

Winter 2020 | |

Junior Grade 6 |
Feb 4-5/20 Mental Math [pdf, solutions] Feb 11-12/20 Applications [pdf, solutions] Feb 18-19/20 Black Holes [pdf, solutions] Feb 25-26/20 Infinity [pdf, solutions] Mar 3-4/20 Topology [pdf, solutions] Mar 10-11/20 Fractals [pdf, solutions] Mar 24-25/20 Unsolved Problems [pdf, solutions] |

Junior Grades 7 & 8 |
Feb 4-6/20 Earth Circumference [pdf, solutions] Feb 11-13/20 Fractals [pdf, solutions] Feb 18-20/20 Infinite Series [pdf, solutions] Feb 25-27/20 Unsolved Problems [pdf, solutions] Mar 3-5/20 Applications [pdf, solutions] Mar 10-12/20 Infinity [pdf, solutions] Mar 24-26/20 General Relativity & Black Holes [pdf, solutions] |

Intermediate |
Feb 5/20 Number Theory [pdf, solutions] Feb 12/20 Equations & Algebra [pdf, prob set, solutions] Feb 19/20 Harder Contest Problems [pdf, prob set, solutions] Feb 26/20 Math Games I [pdf, solutions] Mar 4/20 Math Games II [pdf, solutions] Mar 11/20 Math Games III [pdf] |

Senior |
Feb 5/20 Axioms and Sets I [pdf] Feb 12/20 Axioms and Sets II [pdf, solutions] Feb 19/20 Axioms and Sets III [pdf] Feb 26/20 Special Relativity I [pdf, slideshow] Mar 4/20 Special Relativity II [pdf] Mar 11/20 Special Relativity III [pdf, slideshow] |

Fall 2019 | |

Junior Grade 6 |
Oct 8-9/19 Counting & Probability [pdf, solutions] Oct 15-16/19 Algebra [pdf, solutions] Oct 22-23/19 Exponetiation [pdf, solutions] Oct 29-30/19 Sequences [pdf, solutions] Nov 5-6/19 Cryptography [pdf, solutions] Nov 12-13/19 A Number of Numbers [pdf, solutions] Nov 19-21/19 Circle Geometry [pdf, solutions] Nov 26-28/19 Jeopardy [pdf, solutions] |

Junior Grades 7 & 8 |
Oct 8-10/19 Triangles [pdf, solutions] Oct 15-17/19 Circles [pdf, solutions] Oct 22-24/19 Physics [pdf, solutions] Oct 29-31/19 Probability [pdf, solutions] Nov 5-7/19 Group Theory [pdf, solutions] Nov 12-14/19 Modular Arithmetic [pdf, solutions] Nov 19-21/19 Introduction to Computer Science [pdf, solutions] Nov 26-28/19 Jeopardy [pdf, solutions] |

Intermediate |
Oct 9/19 Counting I [pdf, solutions, watch video] Oct 16/19 Counting II [pdf, prob set, solutions, watch video] Oct 23/19 Counting III [pdf, solutions, watch video] Oct 30/19 Inequalities I [pdf, prob set, solutions, watch video] Nov 6/19 Inequalities II [pdf, prob set, solutions, watch video] Nov 13/19 Inequalities III [pdf, prob set, solutions, watch video] Nov 20/19 Topology I [pdf, solutions, watch video] Nov 27/19 Topology II [pdf, solutions, watch video] |

Senior |
Oct 9/19 Graph Theory I [pdf, solutions, watch video] Oct 16/19 Graph Theory II [pdf, solutions, watch video] Oct 23/19 Graph Theory III [pdf, solutions, watch video] Oct 30/19 Number Theory I [pdf, prob set, solutions, watch video] Nov 6/19 Number Theory II [pdf, prob set, solutions, watch video] Nov 13/19 Number Theory III [pdf, prob set, solutions, watch video] Nov 20/19 Mathematics of Climate Change I [pdf, prob set, solutions, watch video] Nov 27/19 Mathematics of Climate Change II [pdf, prob set, solutions, watch video] |

Junior Grade 6 | Junior Grades 7 & 8 | Intermediate | Senior |