Originally Posted by Olivia's Grammy
I teach new sewers of any age string piecing as there are no mistakes.
Strip is an excellent idea ! gives her the feel of the machine, how to keep it in line, etc. but she still will have something concrete to show for her time.
remember you can place another square the same size on top RST. mark a diagonal line so you are going across the stripes. sew 1/4" each side of this line. cut on line.
Presto !! you have two blocks.