My Quilting Math is Horrible please help!

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Originally Posted by Dakota Girl

I make half square triangles by adding 7/8 to the size of the block--for a 6in block cut a strip 6 7/8 in wide and then cut into 6 7/8 in squares, for quarter square triangles add 1 1/4, to the size of the finished block you want to make. I have no idea if this makes sense to anyone but me! I mostly lurk here on the forum.

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Thank you. I kept seeing the 7/8th in pattern's but it didn't occur to me I could use that as a standard formula and I couldn't make the math work. So yes, as long as I don't think about it too hard, it does make sense.

My program says 6 7/8" as well. Good luck!!

In my mind Denis's math is correct but as he says I would do a test run first.

Thank you all, I couldn't do fractions as a kid, I couldn't do fractions as a mother and now as you can see I can't do fractions as a quilter LOL. Since this quilt is for a baby shower gift I may stick to the four patch which I do well but I will be making quilts for my four grandchildren so I will do a couple of test runs and use the pinwheels for some of those.