Throughout December 2016, to accompany the release of our book on the Mathematics of Christmas, Hannah Fry & I tweeted out Christmathsy bits and pieces, one a day, advent calendar style.
Our book has been extended and rereleased for Christmas 2017 (click the image below for an Amazon link) and there is a new puzzle to go with it…
Our book is available from Amazon (among other places). Click the image for a link…
Day 1 (Competition)
Day 2 (Puzzle)
Day 3 (Joke)
Day 4 (Puzzle)
Day 5 (Queen Elizabot)
Day 6 (Puzzle)
Day 7 (Puzzle)
Day 8 (Joke)
Day 9 (Puzzle)
Day 10 (Puzzle)
Day 11 (Puzzle)
Day 12 (Puzzle)
Day 13 (Puzzle)
Day 14 (Puzzle)
Day 15 (Puzzle)
Day 16 (Puzzle)
Day 17 (Puzzle)
Day 18 (Puzzle)
Day 19 (Puzzle)
Day 20 (Puzzle)
Day 21 (Puzzle)
Day 22 (Puzzle)
Day 23 (Puzzle)
Day 24 (Puzzle)
Day 25 (Solution to Day 24)
Day 26 (Solution to Day 23)