Challenge archive Mathekalender
The officialĀ Mathekalender websiteĀ contains a completeĀ archiveĀ of all the challenges and solutions of the previous editions of the calendar. As of 2016, the challenges of the Mathekalender areĀ in English. Before that, the calendar was in German. Many of the challenges are accompanied by illustrations connected to the Advent season.
In 2010, Dutch secondary school pupils participated in the competition for the first time.Ā The Dutch translations of two old editions of the calendar can be found below.
- opgaven 2014Ā (pdf download)
- opgaven 2015Ā (pdf download)
