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 ...

Help your students explore the world with Notice, the snail, and Wonder, the owl. These two friends discovering that math is all around them. Notice and Wonder provide fun and engaging mathematics ...

Help your students explore the world with Notice, the snail, and Wonder, the owl. These two friends discovering that math is all around them. Notice and Wonder provide fun and engaging mathematics ...

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.

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 editors of the Journal for Research in Mathematics Education (JRME) encourage the submission of a variety of manuscripts. Most manuscripts are submitted through JRME Online Submission and Review ...

Research points to several strategies that have been consistently effective in teaching students who experience difficulties in mathematics. The use of structured peer-assisted learning activities ...

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 ...

A developing set of resources for teachers and the community to teach through the mathematics associated with the COVID-19 pandemic and learn math. Discussion also in the MyNCTM community. The ...

This tool allows you to learn about various geometric solids and their properties. You can manipulate and color each shape to explore the number of faces, edges, and vertices, and you can also use ...

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 ...

Educational decisions made by teachers, school administrators, and other professionals have important consequences for students and for society. The Principles for school mathematics provide guidance ...