For over two millennia, mathematicians agreed on one thing: you can’t use trigonometry to prove Pythagoras’ Theorem—because ...

Pi Day (3/14) often comes with sweet treats; Square Root Day (4/4/16 or 5/5/25, for example) has a certain numerical rhyme.

A classic riddle about a hotel bill uses misleading math to create a paradox. This type of intentional misdirection is a ...

“I do not call my art ‘mathematical art,’” Dr. Roelofs said in a video interview about a week later. “It’s art about mathematics. Every artist has a favorite subject, things you want to talk about.

Play a new set of challenges as you train through the dojo. Gain achievements and earn new karate belts. Struggling with grammar, punctuation or spelling? The Karate Cats are here to help! Chop a ...

Chelsea mascot Bridget the Lioness, has a song and movement routine to help students learn their 2 times table. Let Cyril the Swan get your class moving and learning the 4 times table with this fun ...

Class is almost over—but instead of zoning out or packing up early, your students are hunched over their work, erasing, recalculating, and debating. The room buzzes with the rich math talk every ...

Thinking about numbers using frames of 10 can be a helpful way to learn basic number facts. The four games that can be played with this applet help to develop counting and addition skills. (This ...