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 ...

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 ...

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 ...

There are many fun and innovative ways to celebrate Pi Day in your classroom and beyond—you probably already use it as a jumping-off point for key mathematical lessons. If you're in need of something ...

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 ...

Looking Back and Moving Forward(5) Lesson 3rd to 5th Looking Back and Moving Forward(6) Lesson 3rd to 5th Looking Back and Moving Forward(7) Lesson High School Looking Back and Moving Forward(8) ...

The Common Core State Standards (CCSS) are a set of academic standards in mathematics and English language arts/literacy (ELA) developed under the direction of the Council of Chief State School ...

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 ...

The NCTM Spring Conferences provide dynamic, face-to-face networking and learning opportunities for mathematics educators across the nation. These opportunities are a great way to engage with your ...