In first grade, we are using sight words as our spelling words. These are words that appear most often in reading and writing.
Here are files that you can download to use use at home:
First 100 Words
Second 100 Link
Third 100 Words
Fourth 100 Words
Fifth 100 Words
And you can use this link for great ideas to help your child learn these words: http://pinterest.com/primaryjunction/sight-word-ideas/