the letters as she's tracing them, then say "simple" again. have her do it again each time she writes it.
have her practice. even if your child knows all the words, it won't do her any good if she gets up in front of the room and freezes. she needs to practice her words, spelling-bee style.
use her list of words that she needs to spell. make sure to have definitions ready if she asks.
gather the family or a few friends. have her stand up in front of you. give her a word to spell. you can even make it a family event by having a family spelling bee.
make sure she uses 