An interactive lesson on por and para made to be viewed on your teacher website or posted anywhere a device can reach with a browser. This lesson will run on mobile devices as well! Included is a zipped folder with all of the files you will need. Simply unzip the folder and post the enclosed folders and files in a place online for your students to reach with their laptop, desktop, or mobile device! The lesson includes an explanation of both por and para, several examples, and interactive practice wherein the students translate sentences into Spanish from English and use the correct word -- por or para. Answers are provided on each screen. Includes 30 slides!