Originally Posted by quiltsRfun
Or sew together the first block. Then measure and cut the other to match. :)
You would still need to add the 1/2 inch on all sides so when they are all sewn together the block sizes are the same. Remember once her first block (of patches) are sewn the seam allowance has been accounted for....... :-D
So 10 1/2 x 10 1/2 is the correct size for the white block.