Christmas Maths: Twelve Days
While we're in the Christmas season, here's a Christmas-themed maths problem.
The Christmas season is the 12 days from Christmas Day (25th December) until the day before Epiphany (which is 6th January, so the day before is 5th). From that 12 day period comes the song, The Twelve Days of Christmas. Many of you will know it, but for those who don't: