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 ...

Thank you to all who attended the NCTM 2025 Spring Conference in Kansas City! A special thanks to our program committee, ...

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 ...

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 ...

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, ...

Several years ago, NCTM launched the Research Agenda Project. From this project, Linking Research and Practice—Challenges and Opportunities, was funded through the National Science Foundation (NSF) ...

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 ...

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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 ...

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 ...

Data science bridges disciplines and thus should be introduced and taught across the curriculum in K-12 schools to help develop informed users of data. Data science captures the complexity of data and ...