Are you looking for a way to help your students expand their vocabulary? Teaching synonyms and antonyms is a great way to incorporate grammar instruction as well as build your student's vocabulary knowledge. These NO prep, self-checking, interactive, digital Boom Cards are so much fun for students and a huge time saver for teachers!Boom Cards are . . .ā Interactive & Engagingā Easy to Prep- they require no printing, photocopying, laminating, or cuttingā Self-checking- No grading to be done