The spelling test at my kid's school includes both dictation and mutilple choice. The mutiple choice questions are intended to get the kids familiar with the state test questions.
Thanks for sharing!
We enjoyed the following books in the past:
http://www.rempub.com/reading/reading-ebooks?product_id=3088
http://www.rempub.com/social-studies/social-studies-ebooks?product_id=2963