The National Council of Teachers of Mathematics is the public voice of mathematics education, and a professional membership association supporting teachers to ensure equitable mathematics learning of ...

Explore new strategies for effective math instruction in your high school classroom! Practical and versatile, Lessons and Investigations to Build Confidence: Elevating High School Mathematics is ...

Begin the investigation by encouraging students to give an example of something that they do once a day such as eat breakfast, listen to school announcements, or play with a friend. Ask them to name ...

The mathematics education community remembers Peggy A. House with gratitude for her lifelong contributions to the field. A 2005 Lifetime Achievement Award recipient of the National Council of Teachers ...

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 ...

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 ...

1906 Association Drive Reston, VA 20191-1502 (800) 235-7566 or (703) 620-9840 FAX: (703) 476-2970 [email protected] ...

Principles and Standards for School Mathematics is a guide to what mathematics students should learn; what teaching practices, approaches, and tools show promise; and the role that assessment plays in ...

The buttons are meant to be used sequentially, and will appear in the order in which they are meant to be pressed. Be sure to allow all movements to cease before pressing another button, as this will ...

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.

Thinking about numbers using frames of 5 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 applet ...