In honor of MET’s 50th anniversary, we invite you to help us raise $50,000 to expand grants, scholarships, and awards that strengthen mathematics teaching and learning nationwide. MET is the ...

As educators, we believe joy, hope, and curiosity are essential to learning. Through the NCTE-NCTM Joint Conference for Elementary Literacy and Mathematics, we commit to teaching mathematics and ...

Founded in 1920, the National Council of Teachers of Mathematics (NCTM) is the world's largest mathematics education organization throughout the United States and Canada.

Considered the “premier mathematics education event of the year,” NCTM Annual Meetings bring together thousands of mathematics educators from all over the world to learn, collaborate, inspire, and ...

Quilters and other designers sometimes start by producing square patches with a pattern on them. These square patches are then repeated and connected to produce a larger pattern. Create your own patch ...

A net is a two-dimensional figure that can be folded into a three-dimensional object. Which of the nets below will form a cube? Click on any net, and determine whether or not it can form a cube. An ...

NCTM established the Mathematics Education Trust (MET) in 1976 to channel the generosity of donors by creating grants for preservice teachers, in-service teachers, coaches, teacher-leaders, teacher ...

Explore interactive tools and resources for teaching and learning mathematics, provided by the National Council of Teachers of Mathematics.

Be prepared with additional items of varying sizes. Items that are too small (such as a dime) and too large (such as the opening of an umbrella) tend to be less accurate. After the measurements have ...

Reston, VA - January 30, 2026 - The National Council of Teachers of Mathematics (NCTM) is pleased to recognize the 2025 High School Mathematical Contest in Modeling (HiMCM) and Middle Mathematical ...

Students with learning disabilities in mathematics have a right to high-quality mathematics experiences in inclusive classrooms when it is the least restrictive environment (NCTM & Council for ...

A tessellation is a repeating pattern of polygons that covers a plane with no gaps or overlaps. What kind of tessellations can you make out of regular polygons? What shapes tessellate? If shapes can ...