Here's a set of flashcards which illustrate example sentences utilising both present simple and present continuous tenses. They compare both tenses in meaningful contexts and illustrate common examples that use them together.
consolidate present simple and present continuous with flashcards without captions
If you use the version without captions, it'll be an excellent opportunity to revise both tenses before exams. Open the PowerPoint show on your computer or interactive board then ask your students to interpret what they see using present simple and present continuous tenses.