National Council of Teachers of Mathematics

Read the May issue of Mathematics Teacher: Learning and Teaching PK-12 (MTLT)

May 7, 2026-The May issue of Mathematics Teacher: Learning and Teaching PK-12 (MTLT) is now available.
HubOpinion

The political calculus—and actual math—of gerrymandering

JHU mathematician Emily Riehl explains how a surprising amount of math goes into determining who ends up in the U.S. House of ...
Education Week

Fractions Scuttle Many Students’ Math Ambitions. New Models Can Clear the Way

Many students in elementary grades struggle to grasp the perennially vexing concept of fractions. If those struggles persist ...
Education Week

What Schools Should Do to Pump Up the Deflated Math Skills of Older Students

Her students can, for the most part, understand the concepts she’s trying to teach. They can memorize and use the Pythagorean ...
Investopedia

Constant Dollar: Overview, Examples, and Formulas

Michael Boyle is an experienced financial professional with more than 10 years working with financial planning, derivatives, equities, fixed income, project management, and analytics. SAUL LOEB/AFP ...
Investopedia

Operating Profit: How to Calculate, What It Tells You, and Example

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. David Kindness is a Certified Public ...