April 22, Earth Day

June 12-14, Ohio Association of Elementary School Administrators (OAESA), Columbus

October 11, Ohio Mathematics and Science Coalition (OMSC), Columbus

October 23-25, Ohio Council of Teachers of Mathematics, Sandusky, Ohio

November 14-17, American Mathematical Association of Two-Year Colleges, Milwaukee

February 14, Ohio Mathematics and Science Coalition (OMSC), Columbus

March 14, Pi Day

April 1-4, National Council of Teachers of Mathematics, Chicago

April 2-5, National Science Teachers Association, Boston

April 3, Ohio Mathematics Association of Two-Year Colleges, Mohican Lodge & Conference Center

April 22, Earth Day

October 21-24, National Council of Teachers of Mathematics, St. Louis, Missouri

November 12-15, American Mathematical Association of Two-Year Colleges, Spokane

March 14, Pi Day

April 8-11, National Science Teachers Association, Chicago

April 22, Earth Day

September 22-25, National Council of Teachers of Mathematics, Atlanta

October 28-31, American Mathematical Association of Two-Year Colleges, Phoenix

March 14, Pi Day

March 31 – April 3, National Science Teachers Association, Houston

April 22, Earth Day

November 17-20, American Mathematical Association of Two-Year Colleges, Toronto, ON

March 14, Pi Day

April 22, Earth Day

November 9-12, American Mathematical Association of Two-Year Colleges, Omaha

March 14, Pi Day

April 22, Earth Day

November 14-17, American Mathematical Association of Two-Year Colleges. Atlanta

**Calendar of Events****2019**April 22, Earth Day

**May 10, Ohio Mathematics and Science Coalition (OMSC), Columbus**June 12-14, Ohio Association of Elementary School Administrators (OAESA), Columbus

October 11, Ohio Mathematics and Science Coalition (OMSC), Columbus

October 23-25, Ohio Council of Teachers of Mathematics, Sandusky, Ohio

November 14-17, American Mathematical Association of Two-Year Colleges, Milwaukee

**2020**February 14, Ohio Mathematics and Science Coalition (OMSC), Columbus

March 14, Pi Day

April 1-4, National Council of Teachers of Mathematics, Chicago

April 2-5, National Science Teachers Association, Boston

April 3, Ohio Mathematics Association of Two-Year Colleges, Mohican Lodge & Conference Center

April 22, Earth Day

**May 8, Ohio Mathematics and Science Coalition (OMSC), Columbus**October 21-24, National Council of Teachers of Mathematics, St. Louis, Missouri

November 12-15, American Mathematical Association of Two-Year Colleges, Spokane

**2021**March 14, Pi Day

April 8-11, National Science Teachers Association, Chicago

April 22, Earth Day

September 22-25, National Council of Teachers of Mathematics, Atlanta

October 28-31, American Mathematical Association of Two-Year Colleges, Phoenix

**2022**March 14, Pi Day

March 31 – April 3, National Science Teachers Association, Houston

April 22, Earth Day

November 17-20, American Mathematical Association of Two-Year Colleges, Toronto, ON

**2023**March 14, Pi Day

April 22, Earth Day

November 9-12, American Mathematical Association of Two-Year Colleges, Omaha

**2024**March 14, Pi Day

April 22, Earth Day

November 14-17, American Mathematical Association of Two-Year Colleges. Atlanta