Multi-piece rug and mat arrangement and assembly for forming a floor covering

An area rug assembly, comprising:

• a rug portion;
• a plurality of pocketed areas affixed to a bottom surface of the rug portion at each corner area thereof only and at no other position along the bottom surface;
• and
• a mat portion having substantially the same dimensions as the rug portion, the mat portion comprised of multiple pieces that interlock to form a single mat, and having a non-slip material on a top surface of the mat portion,
• wherein each corner of the mat portion is insertable into a pocketed area of the plurality of pocketed areas at one of the corner areas of the bottom surface of the rug portion to secure the rug portion and the mat portion together, so that the bottom surface of the rug portion lies flush with a top mat surface of the mat portion, and
• wherein the plurality of pocketed areas and the non-slip material on the top surface of the mat portion allow the rug portion to remain loosely positioned relative to the mat portion without having to stretch the rug portion over the mat portion, while at the same time preventing the rug portion and mat portion from moving relative to each other and so that the rug portion is fixed relative to the mat portion to form an area rug assembly in which the rug portion and the mat portion are movable together as a single piece when the area rug assembly is placed on an underlying surface.