Bobbie Bear is planning a vacation and wants to know how many outfits can be made using different colored shirts and pants. Click on a shirt or a pair of pants and drag it over Bobbie Bear. Release ...

View popular resources, video lessons, and articles for grades 9-12. Check out some of the most popular member resources for teachers in grades 9-12. Not an NCTM member? Join today to access great ...

Lead speakers are required to register for the Annual Meeting and pay the appropriate speaker registration fee.

Starting Strong: Support, Strategies, and Inspiration for New Math Teachers (Open to All) Whether you're about to step into your first classroom or still preparing for student teaching, this session ...

Math: It’s Not Just for the Classroom July 2025 This month’s message was inspired by my frequent travel and interactions with strangers, such as rideshare drivers, flight attendants, and fellow ...

NCTM established the Mathematics Education Trust (MET) in 1976 to channel the generosity of donors by creating grants for preservice teachers, in-service teachers, coaches, teacher-leaders, teacher ...

Procedural fluency is an essential component of equitable teaching and is necessary to developing mathematical proficiency and mathematical agency. Each and every student must have access to teaching ...

The following ideas are ours and those of others who came to our presentations on this topic. Rules that Expire 1. The larger the denominator, the smaller the fraction. This “rule” is often taught ...

The quantity of open educational resources (OERs) continues to grow rapidly. OERs are “learning, teaching and research materials in any format and medium that reside in the public domain or are under ...

Bringing Needed Coherence and Focus to High School Mathematics By Matt Larson, NCTM President October 25, 2016 Today, it seems as if nearly everyone agrees that high school mathematics needs to change ...