NRICH has published two online Advent calendars, one for primary students (ages 5 to 11) and one for secondary. This year the activities featured in the NRICH Primary Advent calendar are linked by a food and drink theme, while the NRICH Secondary Advent calendar feature some of the team's favourite resources behind each door.
Meanwhile the 2014 Plus Advent calendar presents an assortment of intriguing articles, podcasts and interviews from the archives of Plus, our online popular mathematics magazine, aimed at the interested and intelligent general reader. This year the Plus Advent calendar also features mathematical book recommendations and mathematical toys.
Image: Mince pie! Flickr/dichohecho, kindly made available under Creative Commons licence.