When students become active doers of mathematics, the greatest gains of their mathematical thinking can be realized. The process of sense making begins when we create classrooms full of curious ...

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 ...

There are many fun and innovative ways to celebrate Pi Day in your classroom and beyond—you probably already use it as a jumping-off point for key mathematical lessons. If you're in need of something ...

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 ...

Research Clips and Briefs provide a foundation for taking what the research says about mathematics teaching and learning to teachers, administrators, school boards and parents. Email research@nctm.org ...

Teach students to persevere through challenging problems to reach successful outcomes. Download Order Form Email nctm@nctm.org We will contact you within 3 business days to complete your order.

Email nctm@nctm.org We will contact you within 3 business days to complete your order.

Problems to Ponder Monthly, classroom-ready problems that you can digitally assign to your PK–12 students. Illuminations 700+ searchable lessons for your teachers to choose from Activities with Rigor ...

Curriculum Focal Points for Prekindergarten through Grade 8 Mathematics: A Quest for Coherence Catalyzing Change in Early Childhood and Elementary Mathematics: Initiating Critical Conversations The ...

Taking Action: Implementing Effective Mathematics Teaching Practices in K-Grade 5 (on backorder expected delivery March 2022) Principles to Actions: Ensuring Mathematical Success for All Principles to ...