Okay for the 9 inch finished size cut the outer blocks 5 inches for a 10 inch finished blocke cut them 5.5 inches. The center block for set in seams is 2 and 7/8ths square. If you are doing the tabs on the light colored squares 9 inch finished size is a 2-3/8ths square. The 10 inch finished size is a 2-1/2 inch square! If you need more help let me know! Luann