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 ...

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 ...

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 ...

Join thousands of your peers at the premier math education event of the year! Network and exchange ideas, engage with innovation in the field, and discover new learning practices that will drive ...

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 ...

NCTM's Standards publications and position statements present a vision of appropriate goals for high-quality mathematics teaching and learning. This vision is at the heart of NCTM's efforts to provide ...

Our students need mathematics to make sense of their world and increase their opportunities. As teachers, administrators, and education leaders, each and every student is counting on us, our policies, ...

The Factor Game applet was adapted with permission and guidance from "Prime Time: Factors and Multiples," Connected Mathematics Project, G. Lappan, J. Fey, W ...

Discover a bold new vision for high school mathematics that empowers students through engaging, real-world learning. This essential publication reimagines the curriculum to focus on student-centered ...

Use this interactive tool to create dynamic drawings on isometric dot paper. Draw figures using edges, faces, or cubes. You can shift, rotate, color, decompose, and view in 2‑D or 3‑D. Start by ...

For all Membership Types: Mathematics Teacher: Learning and Teaching PK–12 (MTLT) is an exciting new NCTM journal with a unique point of view—your view as a practicing teacher of mathematics. MTLT ...