Happy Christmas everyone! Our family Christmas card this year is all about the hexagons Adam was so pleased to be able to do his Year 5 Hexagon masterclass to children in London in November, after 2 years of cancellations Here's a hexagon puzzle for you all: Can you put the numbers 1 to 19 in the coloured hexagons so every row and diagonal adds up to 38? Hint: 5 goes in the centre! From Adam & Sarah: