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Welcome to the OCTM website! 
Please click on the arrow at the upper left to view or hide the full menu.

If you are ready to join OCTM or renew, please click the Membership link in the left hand menu!

Why are 3,000 educators part of OCTM?  Why have thousands joined since 1951?  Read below -- and explore the rest of our website -- to find out!

Why are those Sigmas in our conference logo?  Find out here!

Many thanks to all who participated in the OCTM 72nd Annual Conference!  Special THANKS to our excellent, hardworking conference committee! 

October 27-28, 2022

Sharonville (Cincinnati)

Find all conference information here!

Current and upcoming activities

See above for information about the annual conference!

Fall 2022 issue of the OCTM: DEI Connector
Click here for a wealth of resources, information, and inspiration for teaching and learning in the Fall newsletter from our Diversity, Equity, and Inclusion Task Force.

Fall 2022 issue of the Ohio Journal for School Mathematics
Click here to access the most recent articles published in our peer-reviewed journal, which includes a variety of types of articles to serve many interests and needs.

Ins(pi)reUp registration is open
An OCTM opportunity for prospective teachers and those in the first 7 years
Join OCTM leaders in building your professional community and developing as a leader.  Click here for all information.

OCTM Connector Event (on Zoom)
StartSOLE (Self-Organized Learning Environments)
Thursday, November 17 -- 7:00-8:00 p.m. (EST)
Find all information and register here.

Important statements from OCTM

As educators, one of our most important roles is helping others see perspectives beyond their own. Racism has impacted the lives of African Americans and Black people in our country for over 400 years. They continue to suffer, along with people of color and other marginalized people in our country as their voices and lives are oppressed by those with privilege. Staying silent in our society when injustice occurs promotes continued oppression. OCTM is committed to actively supporting, including, and engaging educators representing all of the diversity in our communities. We see you; we need you, and we are better with you. We assume responsibility for working to welcome and elevate all and to allow your important voices to be heard. We must work together to create a future for our children where no voices are silenced and where all lives are equally cherished and valued.

Stance on Ohio House Bill 616
OCTM endorses the position adopted by the Ohio Council for the Social Studies (OCSS) opposing Ohio House Bill 616.  Although the OCSS position addresses social studies classes and educators specifically, OCTM believes that the same principles and important questions pertain to mathematics classes and educators.  If this bill were to become law, the grave outcome would be the silencing of students, educators, and local boards of education.

Diversity, Equity, and Inclusion Task Force

Are you interested in working with OCTM to promote diversity, equity, and inclusion in our organization, in mathematics education, and in mathematics-related careers?  If so, please complete this form, and/or contact Charissa Hunt or Dawn Williams, our Directors of Diversity and Inclusion, at or .  This Task Force was created in the spring of 2019 as a first step -- there is much to be done.  Find out more about our Diversity, Equity, and Inclusion work here.

Get involved

OCTM grows stronger and makes a greater impact because of the involvement of our members.  Click here to learn about 10(+) ways that you can be engaged with the OCTM community.

Find an affiliate

OCTM has 14 local affiliate groups throughout the state. We all work together to lead a thriving mathematics education network in Ohio.  Find out more about an affiliate near you at this link.

Online Payments

OCTM is an affiliate of the National Council of Teachers of Mathematics.

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