I’m not too sure but i think The area of one is 4 inches. There are 8 squares on each side, so when finding the area of the board, you get 64. The checkerboard is 16 inches long, and there are 8 squares, so it is approximately 2 inches long. To find area, you multiply length by width. Since they are squares, it would be 2*2, which leads you to the answer of 4. Hope this helps!