1 November 2014 Madeira High School 9:00-12:00 Exploding Dots (More Dots and Boxes)

6 November 2014 Liar's Bingo A Circle session at the OCTM Annual Conference in Cleveland, Ohio.
Conducted jointly with folks from Athens and Columbus Circles

7 February 2015 Cincinnati Hill Christian Academy Middle School Problem solving using invariants Our annual, full day recruiting session and introduction to Math Circles.

11 April 2015 Diamond Oaks, 6375 Harrison Avenue, Cincinnati, OH 45247 Coffee at 8:30. Session runs 9:00-12:00.
Topic: tic-tac-toe variants and other mathematical interesting games.
Here's a list of questions that our discussion inspired. We may return to some of them.
Here is a link to a peg solitaire game! AMAZE YOUR FRIENDS!! http://www.echalk.co.uk/amusements/Games/solitaire/solitaire.html

16 May 2015 Loveland High School, 1 Tiger Trail, Loveland OH.
Topic: Math of some pencil and paper games: dots-lines+triangles=2.
Coffee at 8:30, Session runs 9:00-12:00. Some photos from the circle and here's a video on the game brussels sprouts.

22 August 2015 Madeira High School 9:00-12:00
Topic: Assorted problem solving ideas. We spent some time exploring the questions described in Big Products.

14 December 2016 Madeira Junior High School. Family Math Night! Bring your family and join us for dinner and mathematical games and crafts.

18 February 2017 Madeira High School. Integer-sided triangles.

18 March 2017 Madeira High School 9:00-12:00. We talked about writing fractions as the sums of unit fractions.

April 2017 Loveland High School 9:00-12:00 We learned a bit about programming, caused devices to flash lights, play tunes, and find prime numbers.

16 September 2017 Madeira High School. In preparation for International Math Week, we explored representation of numbers using Exploding Dots.

21 October 2017 Madeira High School. 9:00-12:00. Perfect shuffles

6 December 2017 (Family Math Night!) Wednesday evening 6:00-8:00 PM at Madeira Middle School. Games, puzzles, food. We had about 60 people attend.

8 January 2018. Woodward High School. STEM faculty PD day with 2 Teachers' Circle sessions. We played, thought about, and talked about the game "Criss-cross"

27 January 2018 University of Cincinnati --- French Hall 9:00-12:00. We talked about the game "criss-cross" and then turned to the question of how many regions a circle is cut into when we draw all the chords connecting N points on the circle. Here's some of our thinking.

Thanks to Math for America for supporting our Math Teacher Circle with a $2000 seed grant!

In July 2012 four of us attended a workshop hosted by AIM on organizing and facilitating Math Circles. Not that we're experts now, but we got lots of good ideas. Here we are in front of the MAA's wonderful conference facility in Washington DC.

## Let's do math together!

## 2017-18 Academic Year Schedule

Tentative dates/locationsWe usually meet Saturdays 9:00-12:00 with coffee and snacks starting about 8:30.

As we continue to plan for the year.... please let us know what you'd like to do and learn, talk about, share.

## Follow us on Twitter: #cincymathcircle

## Ohio's New Learning Standards

## Our target audience/participants (YOU!)

Our schedule:## What we'll do

## Help us advertise. Tell/bring your friends.

We're sending announcements to## Web/networking

Past meetings:Here is the GeoGebraTube applet shared today: http://www.geogebratube.org/student/m130064

Conducted jointly with folks from Athens and Columbus Circles

Topic: tic-tac-toe variants and other mathematical interesting games.

Here's a list of questions that our discussion inspired. We may return to some of them.

Here is a link to a peg solitaire game! AMAZE YOUR FRIENDS!! http://www.echalk.co.uk/amusements/Games/solitaire/solitaire.html

Topic: Math of some pencil and paper games: dots-lines+triangles=2.

Coffee at 8:30, Session runs 9:00-12:00. Some photos from the circle and here's a video on the game brussels sprouts.

Topic: Assorted problem solving ideas. We spent some time exploring the questions described in Big Products.

Game night! Join us for dinner (pizza) and mathematical card and paper-pencil games.

The Cincinnati Math Teacher's Circle in the News!

Thanks to Math for America for supporting our Math Teacher Circle with a $2000 seed grant!

In July 2012 four of us attended a workshop hosted by AIM on organizing and facilitating Math Circles. Not that we're experts now, but we got lots of good ideas. Here we are in front of the MAA's wonderful conference facility in Washington DC.