Founded in 1920, the National Council of Teachers of Mathematics (NCTM) is the world's largest mathematics education organization. Interested in membership? Learn more about exclusive member benefits and discounts and join today.

As they look forward to NCTM’s second century of leadership, this NCTM 100 timeline reflects on the organization’s contributions and accomplishments, and places them in a broader historical, educational, and mathematical context.

Mission Statement

The National Council of Teachers of Mathematics advocates for high-quality mathematics teaching and learning for each and every student.