## News from the world of Maths

 January 21, 2011 Negative numbers are easy to imagine if you think of the number line as a giant thermometer which includes sub-zero temperatures. This makes addition and subtraction easy, as you just move up or down the number line by the according amount. January 14, 2011 Sixteen-yeat-old Rebecca Simpson has won a national competition to produce a creative photo connected to maths. The competition was run by Maths Inspiration, who organise maths lecture events in theatres around the country. Rebecca's entry, entitled Box and whiskers, depicts a cat being measured for its level of cuteness. It's a play on box and whiskers diagrams, which will be familiar to any GCSE maths pupil. December 20, 2010 Mathematicians are often good musicians. To prove this, here are some impressive compositions. Enjoy! December 20, 2010 Oh, Christmas is so magical! But of course magic often boils down to being surprised. Find out how mathemagicians trade off the fact that you can usually predict precisely the outcome of doing something in mathematics, but only if you know the secret beforehand. Here's for some maths and magic! December 20, 2010 p>23 is a prime number. Mathematicians love primes. But why? Find out with this prime collection of prime articles. December 20, 2010 This is it! The holidays have started, the turkey is defrosting and the presents are all wrapped ... all you have to do now is relax and be kind to one another. So the very last door of our advent calendar is devoted to love. The Plus team wish you a very merry Christmas and a happy new year! December 19, 2010 It's time to get out those party invitations! Trouble is, your sister doesn't get on with your boyfriend, your boyfriend doesn't like your best mate, and your best mate's just broken up with your cousin. Who do you invite? December 17, 2010 For those of you whose holiday has already started, here are a couple of christmassy puzzles to cuddle up on the sofa with.