About National Council of Teachers of Mathematics

• NCTM is a public voice of mathematics education, providing vision, leadership, and professional development to support teachers in ensuring mathematics learning of the highest quality for all students.
  
  
• Founded in 1920, NCTM is the world's largest mathematics education organization, with nearly 100,000 members and 250 Affiliates throughout the United States and Canada.

Principles and Standards

• NCTM's Principles and Standards for School Mathematics, published in 2000, provides guidelines for excellence in mathematics education and issues a call for all students to engage in more challenging mathematics.
  
  
• NCTM's Navigations books assist teachers in bringing the Standards to life in the classroom