Checkerboard How many combinations of squares can be made from the squares on a standard checkerboard?
Answer
It follows the sum of squares rule: 1 8 unit square 4 7 unit squares 9 6 unit squares 16 5 unit squares 25 4 unit squares 36 3 unit squares 49 2 unit squares and 64 1 unit squares for a total of 204 squares  Copyright © 2001 by Paladin Consultants,LLC Chatham, NJ All Rights Reserved This page revised March 31, 2004 
