Learn how to multiply/divide rational expressions. A rational expression is an expression in the form of a fraction, usually ...

In this video series, I will show you how to divide complex numbers. We do this by eliminating the imaginary number on the ...

Many Singaporeans are good at earning KrisFlyer miles. KrisFlyer miles credit cards, sign-up bonuses, and everyday spending ...

Best known as Pi Day, 3/14 is the celebration of the number that begins with 3.14159 … and never ends. Pi (π) is the ratio of ...

My glasses were gone. One of my kids was standing on the sidewalk next to our car—not crying, just confused. The seat belt ...

Explore the origins of Pi Day from San Francisco's Exploratorium to global recognition, blending math, culture, and pie in a ...

Model math standards produced by conservative education advocates helped spark a battle in South Dakota that could spread to other states.

Recently, this BuzzFeed article sharing firsthand stories from teachers got a fair bit of attention. Teachers from ...

This shift has a coherent political logic. Democrats have grown increasingly dependent on upper middle-class support — while ...

Get all the info you need on this year's Big Dance with an in-depth look at all 68 teams in the men's NCAA Tournament.

Susan Gilkerson, a math teacher and school bus driver, stood before a South Dakota education board and issued a warning. The proposed math standards the board was considering — just 36 pages, less ...

As inequality soars, UC Berkeley economist Emmanuel Saez has sparked a fiery debate with his billionaire tax proposal.