Presentations

Materials from Our Presenters
Fall 2019

October 13, 2019: Rick Armstrong: MO ARML - Puzzles
October 6, 2019: Tyler Williams: Fun with Complex Numbers and Polynomials
September 29, 2019: Sonya Land: MO ARML - Intro to Math League
September 22, 2019: Michael Landry: Seifert Surfaces of Knots and Links

Spring 2019

April 14, 2019: Mohammad Jabbari: Proofs Without Words II
March 24, 2019: Jesus Oyola Pizarro: An Introduction to Knot and Link Theory
February 24, 2019: Victor Wickerhauser: Euclid’s Algorithm
January 27, 2019: Rick Armstrong: MO ARML - AMC Prep and Complex Numbers

Fall 2018

November 11, 2018: Mohammad Jabbari: Approximating pi by Experiment
November 4, 2018: Nathan Wagner: Fun with Combinatorial Games, Supplemental Sheet
October 14, 2018: Yasha Berchenko-Kogan: How many ways are there to arrange chairs around a round table?
October 7, 2018: Sonya Land: MO ARML Fantastic Factoring
September 30, 2018: Akehiko Takahashi: Wonders of Math
September 16, 2018: Rick Armstrong: Missouri ARML

Spring 2018

April 15, 2018: Rick Armstrong: Learning Bridge & Probability, Part II: Pascal Triangle (Answers)
April 8, 2018: James Pascoe: Learning Bridge & Probability, Part I:
- High Card Points and Combinatorics (Answers)
- No Trump Scoring (Answers)
March 25, 2018: Matt Kerr: Dinner Parties and Coloring Books
March 4, 2018: Mohammad Jabbari: Proofs Without Words
February 18, 2018: Benjamin Castor: Problem Solving Techniques
February 11, 2018: Zhenghui Huo: The Game of Set
February 4, 2018: Nathan Wagner: The Birthday Problem
January 28, 2018: Nan Lin: AM - GM Inequality

Fall 2017

November 19, 2017: Xiang Tang: Symmetry Groups
November 12, 2017: Mohammad Jabbari: Order Appearing in Coloring Large Set of Data
October 29, 2017: Rick Armstrong: Taxi Cab Geometry
October 15, 2017: Nan Lin: Geometric Probability
October 8, 2017: Victor Wickerhauser: A Run Through Some Fields
October 1, 2017: Zhenghui Huo: Graph Puzzles
September 24, 2017: Chang Liu: Probability Paradox
September 17, 2017: Christopher Felder: Hilbert Hotel

Spring 2017

April 9, 2017: Matt Kerr: Roller Coasters!
April 2, 2017: Mohammad Jabbari: The Mysteries of the Floor Function
March 26, 2017: Jose Figueroa-Lopez: Financial Mathematics: From Games of Chance to No Free Lunch
March 5, 2017: Tian Wang: Counting Methods
February 19, 2017: Ake Takahashi: Hidden Wonders of Numbers
February 12, 2017: Rick Armstrong: Non-Transitive Dice
February 5, 2017: Xiang Tang: Geometric Numbers
January 29, 2017: Todd Kuffner: Relations Between Different Math Problems

Fall 2016

November 20, 2016: Mohammad Jabbari: Pi
November 13, 2016: Jimin Ding: Statistics
November 6, 2016: Cody Stockdale: The Size of the Cantor Set
October 30, 2016: Yingxuan Li: Cardinality of Sets
October 16, 2016: Qi Wang: Dependent Events
October 2, 2016: Victor Wickerhauser: Pigeons and Rams(ey)
September 25, 2016: Qiyiwen Zhang: Art of Counting
September 18, 2016: Chris Cox: Partitions of the Plane

Spring 2016

April 3, 2016: Brett Wick: Geometry, Probability, and Computation of Pi, 2nd Handout
March 20, 2016: Tiansi Li: The Pigeonhole Principle
March 13, 2016: Mohammad Jabbari: How Many Goats in the Orchard?
March 6, 2016: Chris Cox: Mathematics of the Billiard Model, Presentation
February 28, 2016: Greg Knese: Coins in 7-11 Land
February 21, 2016: Wushi Goldring: Sum of Squares
February 14, 2016: Junior Genival Francisco Fernandes da Silva: Graph Coloring
February 7, 2016: Greg Budzban: The Road Coloring Problem (no presentation, classroom activity)
January 31, 2016: Cody Stockdale: Dots, Lines, and Graphs
January 24, 2016: Xiang Tang: Dissections

Fall 2015

November 22, 2015: John McCarthyi: Hexagons and Pentagrams
November 15, 2015: Mohammad Jabbari: Adding the Reciprocals of All Prime Integers; Hints and Answers
November 8, 2015: Tokio Sasaki: Loops and the Winding numbers
November 1, 2015: Cody Stockdale: Pascal's Triangle and Fractals
October 25, 2015: Matt Kerr: Zigzag Paths and Updown Mountains
October 18, 2015: Renjie Lyu: P-adic Integers
October 11, 2015: Jimin Ding: Statistics and Sampling
October 4, 2015: Tiansi Li: Counting Problems
September 27, 2015: Travis Li: Non-Euclidean Geometry
September 20, 2015: Victor Wickerhauser: Error Correcting Codes

Previous Semesters

January 25, 2015: Blake Thornton: Mathematical Black Holes
November 23, 2014: Holly Bernstein:
- Topological Puzzles
- London Underground
- London Underground Tube Map
November 16, 2014: Adam Weyhaupt: Cubes, Cubes, Cubes
October 26, 2014: Travis Li: Modular Arithmetic (Solutions)
October 5, 2014: Kyle Sykes: Sprouts
September 28, 2014: Greg Knese: Chomp the Graph
September 21, 2014: John McCarthy: Summing
March 9, 2014: Travis Li: Circles
February 23: Darren Garbuz: Tic Tac Toe and Glueing Squares
February 9, 2014: Matt Kerr: Symmetries and Counting
February 2, 2014: Muxi Li: Knight's Tour
January 26, 2014: Ivan Horzov: Gaussian Integers
November 25, 2013: Xiang Tang: Tessellations
November 17, 2013: Kyle Sykes: Slide Rules
October 27, 2013: Dave Meyer: Math Battle
October 20, 2013: Junior Fernandes Da Silva: Hat Problems
Sept 29, 2013: Greg Knese: King Chicken
Sept 22, 2013: Victor Wickerhauser: Pigeons
Apr 14, 2013: Kyle Sykes: Hexaflexagons
Apr 7, 2013: Jenny Yeon: Binary Numbers and Binary Number Magic Trick
Mar 31, 2013: Lisa Kuehne: Mathematical Voting
Mar 3, 2013: Peter Luthy: Odd Sums
Feb 24, 2013, Steven Krantz: Probability
Feb 17, 2013, Xiang Tang: Make 24
Feb 10, 2013, John McCarthy: Fibonacci
Nov 11, 2012, Tejas Kalelkar: Graph Theory
Nov 4, 2012, Ivan Horozov: Perfect Numbers
Oct 21, 2012, Kelly Bickel: Math and Magic
Oct 15, 2012, Alvaro Pelayo: More Codes!
Oct 7, 2012, Matt Kerr: RSA Codes
Sept 30, 2012, Vincent Kieftenbeld: More Infinity
Sept 23, 2012, Kyle Sykes: Hotel Infinity
Sept 9, 2012, Victor Wickerhauser: Recusion and Induction (Recursion Homework, Induction Homework)
April 8, 2012, Kyle Sykes: Mathematician Guards an Art Gallery
April 1, 2012, John McCarthy: Penrose Tiling
March 4, 2012, Holly Bernstein: Toplogy Puzzles
February 19, 2012, Chris Cox: Steiner Networks
February 12, 2012, Bingyuan Liu: Chinese Remainder Theorem
February 5, 2012, Renato Feres: Mazes
January 29, 2012, Kelly Bickel: Haga's Origamics
November 20, 2011, Chang Chao: Pile Subdividing
November 13, 2011, Qingyuan Wang: Diophantine Equations
October 30, 2011, Qingxia Li: Finite Geometry
October 16, 2011, Vincent Kieftenbeld: Euclidean Algorithm
October 9, 2011, Xiang Tang: Topological Conundrums
October 2, 2011, Matt Kerr: The P-Adics!
September 25, 2011, Jimin Ding: Puzzling Probabilities
September 18, 2011, Russ Woodroofe: Non-Platonic Polyhedra
September 11, 2011, Tejas Kalelkar: Knots!
April 10, 2011, Andy Womack: Nim and Friends
March 27, 2011, Kelly Bickel: Balloon Twisting
March 6, 2011, Kabe Moen: Tilings and Slides
February 27, 2011, David Meyer: Code Breaking
February 20, 2011, Jonathan Marshall: Probability Paradoxes
February 13, 2011, Scott Cook: Blue Eyed Island
November 14, 2010. Matt Kerr: Criss Cross
November 7, 2010. Alvaro Pelayo: Number Theory and Codes
October 24, 2010. Kabe Moen: Celestial Calculations, (Slides)
October 10, 2010. Sara Gharahbeigi: Elliptic Curves,
October 3, 2010. Andy Womack: Game of Set,
September 26, 2010. Xiang Tang: Mersenne Primes
September 19, 2010. Baili Min: Compass and Straight Edge
April 25, 2010. Andy Womack: Olympiad: Middle School and High School
April 18, 2010. Jeff Langford: Catalan Numbers
March 28, 2010. Qing Li: Math Battle! and Introductory Battle Problems
February 28, 2010. Wei Deng: Lines and Triangles
February 14, 2010. Sara Gharahbeigi: Geometry of Loci
February 7, 2010. Marina Dombrovskaya: Sodoku
January 31, 2010. Josh Brady: KenKen
October 25, 2009. Arno Van Den Essen: Magic Squares
October 18, 2009. Nic Sedlock: Lion-Llama-Lettuce
October 4, 2009. Russ Woodroofe: Non-Platonic Polyhedra
September 27, 2009. Kelly Bickel: Bridges of Konigsberg
September 20, 2009. Andrew Lewis: Chocolate and Nim
September 13, 2009. Blake Thornton: Nontransitive Dice
July 24, 2009. Blake Thornton: Mathematical Battle
June 19, 2009. Blake Thornton: Russian Circle - Circle Problems
June 19, 2009. Blake Thornton: Russian Circle - Circle Problems 2
June 19, 2009. Blake Thornton: Mathematical Auction
April 19, 2009. Baili Min: Chinese Remainder Theorem
April 5, 2009. Jeff Langford:
- Pick's Theorem
- Pick's Theorem-lattices

March 29, 2009. Andy Womack: Clock Arithmetic
March 1, 2009. Jonathan Browder: How to Count
February 22, 2009. Geir Arne Hjelle: Conway's Game of Life
February 1, 2009. Emily Ronshausen: The Game of Chomp
January 18, 2009. Russ Woodroofe: Graph Theory
November 23, 2008. Michael Deutsch: Liars and Truth-Tellers
September 28, 2008. Brad Henry: Connect Three and Connect Four Rules
September 21, 2008. Blake Thornton: Polyhedra and Platonic Solids
March 2, 2008. Blake Thornton: Mathemagical Card Tricks
February 24, 2008. Brad Henry:
- Voting - 1
- Voting - 2
February 3, 2008. Blake Thornton: Problem Solving
January 20, 2008. Eugenio Hernandez: Color Pascal's Triangle
November 18, 2007. Chris Niemann: Quarternion Slide Rule
November 11, 2007. Scott Cook: Cryptography
October 7, 2007. Brian Maurizi: Slide Rules
September 30, 2007. Blake Thornton: Modular Arithmetic and Doomsday
April 22, 2007. April. Geir Arne Hjelle:
- Chaos 1
- Chaos 2
March 4, 2007. Emily Ronshausen: Graph Theory
January 21, 2007. Blake Thornton: Triangles
October 22, 2006. Bob McDowell:
- Liars and Truthtellers
- ODT file of Liars and Truthtellers
September 24, 2006. Brian Maurizi: Mobius Bands
2005. Brian Maurizi: Geometric Arithmetic
2005. Brian Maurizi: Monopoly
2005. Brian Maurizi: Soduko Graph Theory