We celebrate 20,000 tasks on the web portal!

MathCityMap celebrates the 20,000th task in the web portal! In the past weeks and months, you, dear users, have been active and created numerous interesting tasks in the web portal.

Our anniversary task was created by Jesica Sanchez Lagrange near Madrid and asks for the circumference of a rectangular information board. Click here to display this task.

We are looking forward to many more MathCityMap tasks!