This is bundle on avoiding double negative errors in sentence construction, and it includes 3 practice worksheets and a formative assessment (test). I use this to practice the concepts introduced in the Double Negatives PowerPoint in my listings. It is in MS Word format and includes an answer key.
Other purchase options:
1) You can purchase the worksheets and formative assessment (test) separately for $1.50 each.
2) You can purchase the introductory PowerPoint presentation separately for $3.00.
3) You can purchase the introductory PowerPoint presentation, all 3 worksheets, and the test bundled ($7.00).