<p> </p> ARCs are Activities with Rigor and Coherence. Each ARC is a series of lessons that addresses a mathematical topic and demonstrates the vision of Principles to Actions: Ensuring Mathematical ...

It is with sadness that we announce the passing of Henry O. Pollak, who will be remembered for a career that comfortably ...

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 ...

IGNITE Ignite! We'll Enlighten You and We'll Make It Quick 59:40 ...

Observe another teacher. Pay particular attention to the questions the teacher asks the class and also individual students. Were the questions effective? How can you tell? Did the questions result in ...

Thank you to all the speakers for making this such a memorable and impactful experience for so many of your peers. Here are just a few comments attendees had: Feeling invigorated after spending the ...

Apply for NCTM's Mathematics Education Trust grants, scholarships, and awards. Funding is available to help math teachers, prospective teachers, and other math educators improve the teaching and ...

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.

This applet allows students to individually practice working with relationships among fractions and ways of combining fractions. For a two person version of this applet see the Fraction Track ...

Advancing excellence, access, and equity in mathematics requires the intentional design of lessons, classrooms, and schools where every student experiences belonging, agency, and joy. Equity ...

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 ...