Educational decisions made by teachers, school administrators, and other professionals have important consequences for students and for society. The Principles for school mathematics provide guidance ...

In this lesson, students will apply proportional reasoning to a culturally relevant context by determining how much masa harina is needed to make the dough for tamales for a holiday posada, connecting ...

<p>In this lesson, students will explore algebraic patterns by determining how many tables are needed to seat a growing number of guests at a Quinceañera, making connections between mathematical ...

In this lesson, students will apply number theory by using the greatest common factor to fairly divide different types of candy into identical goodie bags, thereby connecting mathematical reasoning to ...

Joint Statement from NCTM, NCTE, NCSS and NSTA on Withholding of Education Funding As representatives of the K-12 teachers and leaders in the core subject areas, we are alarmed by the decision to ...

Be prepared with additional items of varying sizes. Items that are too small (such as a dime) and too large (such as the opening of an umbrella) tend to be less accurate. After the measurements have ...

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 ...

Take a look at some of these popular articles, webinars, and resources...so far in 2025! Thank you for all you do to advance equitable mathematics education. Check out some of the most popular member ...

The National Council of Teachers of Mathematics provides weekly math problems for students and teachers to enhance learning and problem-solving skills.

View dates for future and past NCTM Annual Meeting & Expositions.

The Product Game is a fun, interactive game that exercises your skill with factors and multiples. This Product Game Investigation was adapted with permission and guidance from Prime Time: Factors and ...

If you are an experienced, highly skilled mathematics professional, we want to hear from you on topics that you know best. Whether you’re a teacher or a teacher educator, you have a story to tell and ...