This is a set of math centre cards where students practice extending patterns. The cards feature AB, ABC, AAB, ABB, and ABA patterns. Simply print the pages of this document on card stock, cut out the cards and shapes and let students finish the patterns. These cards are great for starters, finishers, or centre time. A black and white copy is included. All pictures are with a Christmas theme and are perfect for getting your students in the Christmas spirit!