Web site for high school students and teachers, and anyone who loves Mathematics.
We will post new problems on this web site every second month. We invite individuals and groups to submit their solutions. Active participants will receive a certificate at the end of the year.
The deadline for the next set of problems is March 1st, 2019.
Solutions will become available day after due date.
Fourth Puzzle - due March 1st, 2019
(Extracted from: George Pólya and Jeremy Kilpatrick, The Stanford Mathematics Problem Book, Dover 2009)
Fourth Challenge - due March 1st, 2019
If you have any questions, or would like to submit your challenge for feedback please do not hesitate to contact Dr Jelena Schmalz or Dr Thomas Kalinowski.