NCTM and Teachers College Press are proud to launch the new Math Teaching in Practice Series. A true collaboration, this series promises to combine the profession's leading-authority figures with its ...

These instructional materials offer many advantages such as ensuring that students experience mathematics instruction aligned with grade-level standards, providing teachers with consistent, ...

Explore engaging math problems to challenge students and enhance their problem-solving skills with the National Council of Teachers of Mathematics' Problems of the Week.

Use tiles to represent variables and constants, learn how to represent and solve algebra problem. Solve equations, substitute in variable expressions, and expand and factor. Flip tiles, remove zero ...

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 ...

When students become active doers of mathematics, the greatest gains of their mathematical thinking can be realized. The process of sense making begins when we create classrooms full of curious ...

As part of its commitment to building and supporting a diverse mathematics teaching field, NCTM is pleased to announce the selection of the 2026-2027 Early Career Teachers Cohort. Over the next two ...

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 ...

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 ...

Last month, I attended the Joint Mathematics Meetings (JMM), an annual mathematics conference bringing together diverse members of the mathematical sciences community, including educators, students, ...