Later, they faced the real puzzle: the annual Lannaronca Bridge Competition. Each fourth-grade team had to build a spaghetti bridge holding the most weight. The math: triangles, force distribution, and a budget of 100 imaginary “Lira.”
(Note: If "Lannaronca" refers to a specific textbook series or local curriculum method, the following applies to that structured approach.) lannaronca classe quarta matematica