show them how to grip their pencil correctly and use your spare hand to hold the worksheet. http://www.dyslexia-teacher.com/t6.html
use magnetic letters and numbers on a large magnetic boards to help them not mix them up. http://www.dyslexia-teacher.com/t6.html
say a couple of sentences to a child and ask how many sentences you said. http://www.dyslexia-parent.com/mag40.html
teach dyslexia children cursive handwriting for poor handwritig. http://www.dyslexia-parent.com/mag40.html