A complete lesson, or range of activities to use, on the theme of Pythagorean triples. A great lesson for adding some interest, depth and challenge to the topic of Pythagoras’ theorem. A set of ...

Add Yahoo as a preferred source to see more of our stories on Google. September 16, 2025, is the only date that fits the definition this century. Here's the specific math to add it all up: 3 ...

Old Babylonian tablet likely used for surveying uses Pythagorean triples at least 1,000 years before Pythagoras An Australian mathematician has discovered what may be the oldest known example of ...

An activity to recognise, use and explore Pythagorean triples, best done in small groups of two or three to encourage discussion and collaboration. Starting as a card sort learners practise using ...

Traces of right-angled triangles drawn using the Pythagorean theorem have been discovered on an approximately 3,700-year-old ancient Babylonian clay tablet. This predates Pythagoras, the ancient Greek ...

MOST READERS will have encountered Pythagoras’s theorem about right-angled triangles—that the square on the hypotenuse is equal to the sum of the squares on the other two sides—at school. But the less ...

There’s a delightful mathematical moment in the movie Merry Andrew, when Danny Kaye, playing schoolmaster Andrew Larabee, breaks into song to teach the Pythagorean theorem. I was reminded of this ...