# Meetings

## 2020-2021 Meeting Dates

**Time:**

12:00 pm to 1:00pm (CST)

**Live Sessions via Zoom**

**FALL 2020**September: 9.11October: 10.2 + 10.23November: 11.13December: 12.4

**SPRING 2021**January: 1.8 + 1.29February: 2.5 March: 3.5April: 4.9

## Past Meetings

April 9, 2021

**Presenter: ** Dr. Robin Ward, Professor of Mathematics at Rice University.

**Title:** *Put on Your Math Goggles: Seeing Math in Art. *Dr. Robin Ward left our math circle in a state of perpetual wonder. As Dr. Robin Ward showed us masterpieces by Bridget Riley, Wassily Kandinsky, Wayne Thiebaud, M.C. Escher, Josef Albersus, Vincent van Gogh, and Pablo Picasso, he taught us about the seven elements of art. Our eyes feasted on these beautiful art pieces! As we carefully observed these paintings, Dr. Robin Ward helped our participants discover how math is all over art. Our math circle students will forever keep their "math goggles" on and tell the world that math+art=fun! Dr. Robin Ward helped us end our math circle year on such a high and vibrant note.

March 5, 2021

**Presenter: ** Mrs. Deanna Kwan, Origami Artist, and Former Math Teacher.

**Title:** *Puzzle Elephants. *Once again, Mrs. Deanna Kwan, a nationally acclaimed origami artist, blessed our math circle with the wonders and art of folding paper. She taught us *Puzzle Elephants* by Robert Foord. What a fantastic time our math circle enjoyed! We knew math is beautiful, but Mrs. Kwan also showed us that math and the geometry of origami can be soothing and calming. Mrs. Kwan exposed us to a source of a rare yet much-needed treasure, peace with paper. We even got to watch some Puzzle Elephants 🐘dance classical Latin music!

February 5, 2021

**Presenter: ** Professor Manuel Rivera, Purdue University.

**Title:** *Soccer Ball Math. *Professor Rivera sparked our curiosity for math as he taught us the complex yet beautiful math of a soccer ball. He also encouraged us to observe and appreciate th intricate geometry of soccer balls. Our circle explored Platonic Solids, convex and non-convex polyhedra, Euler's Formula, planar graphs, and trees as Professor Rivera urge us to be on the lookout for the math that is all around us adding wonder to our daily lives!

January 29, 2021

**Presenter: **James Tanton, Ph.D.

**Title:** *How to fold things into thirds, sevenths, and thirty-sevenths!* James Tanton kept our math circle participants captivated when he taught us the math behind accurately folding into fractions. Our students learned that we increase accuracy by reducing error. This hands-on and interactive presentation prove to us that to fold well, all we need is a little mind-blowing math... Or should we say a bit of joyous calcululs?

January 8, 2021

**Presenter: **Rosa Aristy.

**Title:*** Linguistics Puzzles.*** ** Our students creatively spotted patterns, consulted each other, and had lots of fun as together we figured out the letters and words that unlocked our puzzles. Mrs. Rosa led this highly interactive and mind-blowing logical game. To celebrate the New Year, we had random prizes. What joy is to do math together!

December 4, 2020

**Presenter: **Professor Jane Long, Stephen F. Austin State University.

**Title:** Inspired by the book Really Big Numbers by Richard Evan Schwart, Professor Jane Long of Stephen F. Austin opened our minds to “*Big Numbers.*”

Just when we thought scientific notation could capture big numbers, Professor Long exposed us to Graham’s Number and Knuth Up-Arrow Notation. Simply fascinating and mind-blowing 12.4.2020.

November 13, 2020

**Presenter: **Fausto Espinal, Ph.D.

**Title: ***Artificial Intelligence and Its Applications.* Our students learned about the fascinating world of neural networks and artificial intelligence. This interactive presentation exposed our students to the ways in which computers can be trained to distinguish cats and dogs, detect lung cancer, recognize speech, among other s. They were also introduced to the process by which convolutional neural networks separate features to identify images. Our speaker also encouraged us to consider the ethics of artificial intelligence and asked our students to think about whether social media and search engines are free? ... Or not?

October 23, 2020

**Presenter: ** George Armistead, Petroleum Engineer.

**Title: ***Pressure.*** **Mr. Armistead helped our students figure out how to compute the expected water pressure in a household faucet. This presentation helped us see math is all around us even impacting the flow of water in our faucets.

October 2, 2020

**Presenter: **Mrs. Deanna Kwan, Origami Artist, and Former Math Teacher.

**Title: ***Origami and Math.*** **Mrs. Kwan kept our participants mesmerized as they carefully folded a modular origami cube originally designed by origami master Kunihiko Kasahara. Her engaging presentation and passion for origami delighted our students. Mrs. Kwan skillfully sprinkled her lesson with geometry questions thus bringing hands-on learning to a new and most interactive level. All our participants worked hard to complete their first modular cube. After the presentation, some students ventured into new origami projects. Please check our Instagram for some of our modular cubes and after-class masterpieces.

September 11, 2020

**Presenter: **Milt Rose, Houston Maritime Education Center and Museum.

**Title: ***How Math is Used in Navigation**.* Mr. Rose skillfully taught us the history of navigation and the key role math has played in its advancement. Our participants were left inspired to learn more about sextants and navigational computations.

March and April, 2020 Meetings were canceled due to *COVID-19 pandemic*.

February 18, 2020

**Presenter: **Rosa Aristy.

**Title: ***Team Problem Solving. *Our students worked together to tackle challenging math problems. A couple of the problems brought us back and beyond our previous session on the "Difference of Squares."

February 11, 2020

**Presenter: **Rosa Aristy.

**Title: ***Team Problem Solving. *Our students displayed their superb teamwork as they worked through puzzling math problems. Their hard work paid off in more ways than one as they ended a fruitful circle session with cake and strawberry ice cream to celebrate KMC's Friendship Day.

February 4, 2020

**Guest Presenter: **Professor Jane Long, Stephen F. Austin State University.

**Title: ***Math Without Words.* An amazing presentation based on a James Tanton's puzzle that lead us into a discussion of Gauss' Trick and triangular numbers. Professor Long never fails to show us that math is so beautiful!

January 21, 2020

**Presenter: **Rosa Aristy.

**Title: ***Team Problem Solving.* Our students wrestled with unconventional (and somewhat challenging) math problems.

January 14, 2020

**Presenter: **Rosa Aristy.

**Title: ***Faster Arithmetic Methods. *Our students spied patterns and explored as teams ways to calculate problems more efficiently. A friendly team competition kept our students eager to score points with mathematics.

December 3, 2019

**Guest Presenter: **Professor David Manuel, Texas A&M.

**Title: ***To Infinity and Beyond.* An interactive and fascinating lesson on counting infinite sets, correspondence, and cardinality.

November 19, 2019

**Guest Presenter:** Don Cooper, retired NASA physicist and mathematician.

**Title:** *Physics to the Moon.* 2019 marks the 50th anniversary since Apollo 11 landed on the moon. A team of tenacious mathematicians and physicists, including Mr. Cooper, worked relentlessly to derive a formula that would optimize Apollo's 11 trajectory. A mind stretching and captivating presentation that touched on the geometry, trigonometry, calculus, and physics behind this historical voyage.

November 12, 2019

**Presenter:** Rosa Aristy.

**Title:** *MATHCOUNTS Math Club "Representing Patterns Numerically."* Our participants enjoyed deciphering patterns and forming teams to also represent these patterns algebraically. We concluded our session with a Spaghetti Marshmallow Challenge. Lots of fun and great teamwork.

November 5, 2019

**Guest Presenter: **Professor Philip Yasskin, Texas A&M.

**Title: ***Surprising Probability and the Birthday Problem. *An engaging and hands-on lesson on probability using polyhedral dice and ropes.

October 22, 2019

**Presenter:** Rosa Aristy.

**Title:** *MATHCOUNTS Math Club "Difference of Squares."* Deriving the difference of squares through mathematical exploration.

October 15, 2019

**Presenter:** Rosa Aristy.

**Title:** *Using Algebra and Number Sense as Shortcuts. *MATHCOUNTS Math Club "You Don't Have to Solve for x!" Exploring when it is best not to follow the traditional approach of solving for individual variables.

October 8, 2019

**Guest Presenter:** George Armistead, Petroleum Engineer.

**Title:** *Being a Giant Can be Stressful. *An interactive introduction scalar relationships, stress, buckling, and porosity and the math behind them all.

September 24, 2019

**Presenter:** Rosa Aristy.

**Title:*** Spatial Visualization. *My Robotics Friends, a journey to explore programming techniques and the need of functions.

September 17, 2019

**Presenter:** Rosa Aristy.

**Title:** *Algebra. *MATHCOUNTS Math Club, Mathmagicians. A 360 degree journey towards the wonders of variables and equations.

September 10, 2019

**Presenter:** Rosa Aristy.

**Title:** *AMC8 Problems*. Adventures in math beyond textbooks.

April 16, 2019

**Presenter:** Rosa Aristy.

**Title:** *MATHCOUNTS Math Club, "Three Tic-Tac-Toes" and "Math Golf" games.* Introduction to proof writing. End-of-the-year party.

April 9, 2019

**Presenter:** Professor Maurice Rojas, Texas A&M.

**Title:** *What is Randomness? and Modular Arithmetic.*

April 2, 2019

**Presenter:** Rosa Aristy.

**Title:*** Counting Outcomes. Brainstorm for Katy Math Circle MATHCOUNTS Math Club game, "Probably not One."*

March 19, 2019

**Guest Presenter:** Luke Robitaille, Mathlete. USAMO five times winner. USAJMO winner. 2019 gold medalist in the International Math Olympiad. 2019 Romanian Master of Mathematics competition silver medalist. 2018 Harvard-MIT Math Tournament (HMMT) and the 2018 American Regions Math League winner. Math Olympiad Program participant. 2017 Spirit of Ramanujan Math Talent Initiative Winner. 2016 National MATHCOUNTS second place winner and first place winner in 2017 and 2018.

**Title:** * Graphs and Pi Day Party.*

March 5, 2019

**Presenter:** Rosa Aristy.

**Title:** *Bowling Pins and Handshakes. MATHCOUNTS Math Club, "Marble Challenge" game.*

February 19, 2019

**Presenter:** Rosa Aristy.

**Title:** *Venn Diagrams and MATHCOUNTS Math Club, "Salute" game.*

February 12, 2019

**Presenter:** Rosa Aristy.

**Title:** *Counting - The Journey Towards More on Probability and MATHCOUNTS Math Club, "Dice Duel" game.*

February 5, 2019

**Guest Presenter:** Professor Jane Long, Stephen F. Austin State University.

**Title:** *Conway's Rational Tangles.*

January 22, 2019

**Guest Presenter:** Professor Maurice Rojas, Texas A&M.

**Title:*** Lattice Points and Generating Functions.*

January 15, 2019

**Guest Presenter:** Don Cooper, retired NASA physicist and mathematician.

**Title:** *Math Took Us to the Moon.* In 2019 we celebrate 50 years since NASA launched Apollo 11 to the moon. What exactly did it take to achieve this history-making mission? The math behind developing Apollo 11's route.

December 4, 2018

**Presenter:** Rosa Aristy.

**Title:** *MATHCOUNTS Math Club, "Fence Me In" game, Conditional with Cards code.org game, and Christmas Party.*

November 27, 2018

**Presenter:** Rosa Aristy.

**Title:** *Probability.*

November 13, 2018

**Guest Presenter:** Ruthie Taft, BA Mathematics.

**Title:** *Odd and Even Numbers: Parity and loved playing with the “Magic Paper Cups.”*

November 6, 2018

**Presenter:** Rosa Aristy.

**Title:** *Knights and Liars - Use Logic to Detect the Truth and MATHCOUNTS Math Club, "Reflection Battle" game.*

October 16, 2018

**Guest Presenter: **Professor Frank Sottile, Texas A & M.

**Title: ***The Shape of Space.*

October 9, 2018

**Presenter:** Rosa Aristy.

**Title:** *How to Solve a Problem and MATHCOUNTS Math Club, "The Multiplication Game."*

October 2, 2018

**Guest Presenter: **Professor Philip Yasskin, Texas A&M.

**Title: ***Exploding Dots: Binary Arithmetic.*

September 18, 2018

**Guest Presenter: **Professor Betul Orcan-Ekmekci, Rice University.

**Title: ***Platonic Solids/Euler’s Polyhedral Formula. *

September 11, 2018

**Guest Presenter:** George Armistead, Petroleum Engineer.

**Title: ***Dimensions, a Hands-On Approach.*

September 4, 2018

**Presenter:** Rosa Aristy.

**Title:** *How to Solve a Problem.*