Do you ever use playing cards in your centers? I’m always amazed at the number of activities I can create using a simple deck of cards. Here is an e-book for you that includes 20 different mats for you to use in your centers. The mats cover a variety of math concepts for grades K-5 and can be used with nothing more than a deck of cards and a few counters. Here is a look at three of the mats provided in the book: Download this e-book from my Teachers Pay Teachers store.