As representatives of teachers of the core K-12 subject areas, we firmly believe that a robust, nonpartisan system of local, state, and federal agencies is essential to ensuring that every student has ...

NSTA is a vibrant community of 35,000 science educators and professionals committed to best practices in teaching science and its impact on student learning. NSTA offers high-quality science resources ...

Whether you're experiencing new challenges or celebrating new breakthroughs, your firsthand perspective is invaluable. Legislators want to understand the impact of these decisions through your eyes.

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 ...

A comprehensive and coherent set of mathematics standards for each and every student from prekindergarten through grade 12, Principles and Standards is the first set of rigorous, college and career ...

Representatives from the National Council of Teachers of Mathematics (NCTM) Board of Directors met with congressional leaders on Capitol Hill on Thursday, February 27, to advocate for policies that ...

Build up to algebraic thinking by exploring this balance tool using shapes of unknown weight. Challenge yourself to find the weight of each shape in one of six built-in sets or a random set. Two other ...

The Factor Game applet was adapted with permission and guidance from "Prime Time: Factors and Multiples," Connected Mathematics Project, G. Lappan, J. Fey, W ...

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 ...

Our students need mathematics to make sense of their world and increase their opportunities. As teachers, administrators, and education leaders, each and every student is counting on us, our policies, ...

NCTM's Standards publications and position statements present a vision of appropriate goals for high-quality mathematics teaching and learning. This vision is at the heart of NCTM's efforts to provide ...