I believe that spelling should be taught in context, as much as possible, to help our learners. I have created a free resource for you to download. This resource can be used in conjunction with the text, Pollyanna, or as a stand-alone spelling resource.
**This text is most appropriate for upper-elementary, and middle-school students who are being taught the extended content standards.**
You will find the 150 most frequently-written words, according to the Word Frequency Book. These words are also taken from this website: http://www.sightwords.com/sight-words/top-150/#lists.