Self-checking AND self-grading? YES, PLEASE! If you are looking for a fun, interactive digital activity for your Spanish students to practice the preterite tense, the imperfect tense, and the differences between them, these NO PREP Spanish Boom Cards are just what you need! Students will be engaged and get a great review as they work their way through the 50 cards in the deck. These cards work on smart boards, computers, tablets, and other mobile devices. Please see the preview for a sample of t