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.

The NCTM representatives outlined four critical priorities during their congressional meetings: Strengthening the Foundation ...

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 ...

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 ...

The Presidential Awards for Excellence in Mathematics and Science Teaching (PAEMST) is the highest recognition that a kindergarten through 12th grade science, technology, engineering, or mathematics ...

Thinking about numbers using frames of 10 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills. (This ...

Bobbie Bear is planning a vacation and wants to know how many outfits can be made using different colored shirts and pants. Click on a shirt or a pair of pants and drag it over Bobbie Bear. Release ...

Use this tool to strengthen understanding and computation of numerical expressions and equality. In understanding equality, one of the first things students must realize is that equality is a ...

NCTM is committed to offering standards-based resources that improve the teaching and learning of mathematics for each and every student. Explore these resources and services designed for teachers, ...

These grade-band specific professional learning modules are focused on the Effective Teaching Practices and Guiding Principles from Principles to Actions: Ensuring Mathematical Success for All.

In the 1960s there was considerable ferment in mathematics curriculum and instruction. Although public attention was focused on the more visible attempts at program revision, we are aware two decades ...