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

How many people are on the earth? How fast is the population growing? When will we run out of the resources needed to sustain life on our planet? Students explore these and other questions about ...

Join NCTM as we celebrate our Centennial with 100 Days of Professional Learning - live, free webinars presented by selected speakers from the NCTM Centennial Annual Meeting program that was to be held ...

The purpose of this book study guide is to provide stakeholder groups with a tool to initiate needed critical conversations and actions in early childhood and elementary mathematics. Format: The book ...

I love the story of Carl Friedrich Gauss—who, as an elementary student in the late 1700s, amazed his teacher with how quickly he found the sum of the integers from 1 to 100 to be 5,050. Gauss ...

In the August 2014 issue of Teaching Children Mathematics, authors Karen S. Karp, Sarah B. Bush, and Barbara J. Dougherty initiated an important conversation in the elementary mathematics education ...

People of all ages love to play games that are fun and motivating. Games give students opportunities to explore fundamental number concepts, such as the counting sequence, one-to-one correspondence, ...

Sue O’Connell has years of experience as an elementary classroom teacher, math coach, district school improvement specialist, and math speaker/consultant. She is the author of numerous books that ...

The latest National Assessment of Educational Progress (NAEP) mathematics scores for grades 4 and 8 underscore persistent challenges in mathematics education and highlight the urgency of improving ...

RESTON, Va., Sept. 25, 2024 - The National Council of Teachers of Mathematics (NCTM) is excited to announce the release of High School Mathematics Reimagined, Revitalized, and Relevant. This ...

As mathematics classrooms continue to shift from a focus on procedures to more conceptual understanding, students are being asked to “show their thinking.” This isn’t always easy. Visible Thinking ...

Reston, VA - September 10, 2025 - The National Council of Teachers of Mathematics (NCTM) today responded to the newly released NAEP Grade 12 mathematics results with an urgent call for systemic action ...