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 ...

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 ...

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 ...

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.

Congratulations to the following NCTM members who have been elected to serve on the Board of Directors. They will begin their terms on the Board at the conclusion of the NCTM Annual Meeting and ...

Discover the area formula of circles by separating into congruent shapes and using their understanding of other polygons. Give students an opportunity to estimate the area of the circular objects that ...

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 ...

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 ...

Next month, NCTM will co-host the third Joint Conference for Elementary Literacy and Mathematics with our colleagues from the National Council of Teachers of English (NCTE). While this conference is ...

This two-part e-example encourages students to use visualization, spatial reasoning, and geometric modeling to build their own patterns or recreate one from given square arrays. This two-part ...

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 ...