| Page 11 | plus.maths.org

Puzzles

Which fits best - a square peg in a round hole, or a round peg in a square hole?

Try your hand at some tricky trig!

Puzzle page: The Möbius Challenge

Set your beloved heart a-flutter with this mathematical valentine

Count up your booty of jewels and potions!

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Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

Maths in a minute: Flipping pancakes

In time for pancake day here's a problem about flipping pancakes. It turns out to be surprisingly hard.
Celebrating pi day with a new record

Just in time for pi day Emma Haruka Iwao announces that she's calculated a record 31 trillion digits of the beloved number.
Happy International Women's Day 2019!

We celebrate International Women's Day with some of our favourite articles and videos from the last year.
Saving whales using Pythagoras

One of the greatest threats to whales is being struck by ships. Find out how Pythagoras' theorem can help avoid this.
Pure maths in crisis?

Proof is the essence of mathematics. But is the standard of proof in research maths really as high as mathematicians would like to believe?

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