1 Natural stone tiles of marble, granite, slate or more start at $2 a square foot, or $200 for 10x10-feet, but costs climb rapidly for custom designs or special orders.  Mosaics are any tile less than two inches square (although they can be round or hexagonal), usually mounted on a 12x12-inch mesh sheet.
Definition of problem-solving. : the process or act of finding a solution to a problem Let's do some problem-solving and see if we can't figure out what to do. problem-solving skills.
Problem-solving is, and should be, a very real part of the curriculum. It presupposes that students can take on some of the responsibility for their own learning and can take personal action to solve problems, resolve conflicts, discuss alternatives, and focus on thinking as a vital element of the curriculum.