Christmas maths puzzle for 'geniuses' leaves adults stumped ... So, it's a Christmas tree, which we know is worth 11, minus a present, and this sum comes to four. Of course, ...

Maths has worked today," said the presenter when they'd finished. ... Bobby uses mathematical theories to craft Christmas tree perfection - something I clearly haven't mastered yet!" ADVERTISEMENT. He ...

Physics How maths can help you create the perfect Christmas Day. Present-buying, turkey-carving, how to pull a cracker… this year Jacob Aron decided to see if mathematics could help him ...