The Centroid

The Centroid Magazine from NCCTMThe Council publishes two issues of The Centroid each year, Fall and Spring. Each issue contains peer-reviewed articles as well as news and announcements of interest to teachers and teacher educators.

List of published articles (2003-present)

Full Access to Electronic Copies (2004-present)

You must be a Member of NCCTM to receive a paper copy of the Centroid.


Submission of News and Announcements

News and announcements of interest to mathematics teachers of any level (pre-K through College). Submission must be received by December 15 for inclusion in the Spring issue and by August 15 for inclusion in the Fall Issue.

Submission of Articles For Peer Review

We invite the submission of articles useful to school mathematics teachers or mathematics teacher educators. In particular, K-12 teachers are encouraged to submit articles describing teaching mathematical content in innovative ways. Articles that have not been published before and are not under review elsewhere may be submitted at any time. Submit one electronic copy via email attachment in Microsoft Word or rich text file format. Articles are peer reviewed prior to acceptance.

General articles are welcome, as are the following special categories of articles:

  • A Teacher's Story
  • History Corner
  • Teaching with Technology
  • It's Elementary!
  • Math in the Middle
  • Algebra for Everyone
Author Guidelines

Manuscripts should meet the following guidelines. Note that articles approved via peer review will be reformatted for publication.

  • To allow for blind review, the author's name and contact information should appear only on a separate title page.
  • Manuscripts should be single column, double-spaced with one-inch margins, and should not exceed 10 pages.
  • Figures and tables should be included in the document in line with the text (not as floating objects). They should be numbered consecutively and have titles.
  • All text, figures, and tables (including headers and titles) should be left justified.
  • Photos are acceptable and should be minimum 300 dpi png files emailed to the editor. Proof of the photographer's permission is required. For photos of students, parent or guardian permission is required.
  • Manuscripts should follow APA style guidelines from the most recent edition (currently the 7th) of the Publication Manual of the American Psychological Association.
  • References should be listed at the end of the article, with bibliographic entries and in-text citations formatted in APA style.

Submission Information

Address all correspondence and submissions to Holly Hirst, Please include a return email address with all correspondence. Mailing address:

The Centroid
c/o Dr. Holly Hirst, Editor
Department of Mathematical Sciences
Appalachian State University
Boone, NC 28608


A Message From Our President

Karen McPherson
High School Mathematics Coach
Buncombe County Schools

You have the power to change the future of Mathematics Teaching in North Carolina.

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NCCTM Statement on Equitable Access to Quality Mathematics Instruction

Students need to experience mathematics in ways that allow them to be successful and that give them the power to change the world. This experience needs to be delivered with both excellence and equality while resonating with the lives of Black, Latinx, Indigenous, Asian, and all marginalized peoples. Racism cannot be tolerated, and we as teachers must be vigilant that we do not tolerate nor contribute to racism, bias, hate, or violence in our classrooms.

 Read More