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

recognize the attributes of length, volume, weight, area, and time; compare and order objects according to these attributes; understand how to measure using nonstandard and standard units; select an ...

"We live in uncertain times. Public health is at the forefront of our minds, and our schools have been disrupted in ways we have never seen. Although no one can predict how education might look in the ...

Formative assessment is any assessment task designed to promote students' learning. These tasks give both teachers and students feedback, so that teaching and learning activities can be altered ...

Explore different representations for fractions including improper fractions, mixed numbers, decimals, and percentages. Additionally, there are length, area, region, and set models. Adjust numerators ...

Thinking about numbers using frames of 10 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 ...

NCTM is committed to offering standards-based resources that improve the teaching and learning of mathematics for each and every student. Explore these resources and ...

The NCTM Spring Conferences provide dynamic, face-to-face networking and learning opportunities for mathematics educators across the nation. These opportunities are a great way to engage with your ...

This updated joint position of the Association of Mathematics Teacher Educators (AMTE), the Association of State Supervisors of Mathematics (ASSM), NCSM: Leadership in Mathematics Education (NCSM) and ...

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.

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 ...

This interactive pan balance allows numeric or algebraic expressions to be entered and compared. You can "weigh" the expressions you want to compare by entering them on either side of the balance.