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 ...

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 ...

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 ...

Did you know that for over 2,000 years people believed that no proof could be developed for the Pythagorean Theorem using trigonometry? In his book The Pythagorean Proposition (1968), mathematician ...

Building Sets of 13 and 14 Lesson PreK to 2nd Building Sets of 15 and 16 Lesson PreK to 2nd Building Sets of 17 and 18 Lesson PreK to 2nd Building Sets of 19 and 20 ...

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: Such a great opportunity for PD for our ...

"We live in uncertain times. Public health is at the forefront of our minds, and our schools have been disrupted in ways we have never seen. Although no one can predict how education might look in the ...