This is a set of notes for explaining the concept of when to use "por" or "para" in Spanish. The notes are clear, easy-to-read, and include images. After the notes, there are three different practice activities for reviewing this concept. The first activity is a fill-in-the-blank activity. The second activity is a short story (story is written in past tense) with blanks where either "por" or "para" is filled in by the student. The last activity is a set of sentences to translate. Each sentence requires the use of either "por" or "para." There is an answer key for each activity following the original set. Can also be used as a sub plan. Enjoy!