QR codes make any center more engaging! This Common Core aligned bundle allows students to practice a variety of important math skills while having a blast scanning QR codes to check their answers. It's also great for test prep!Here is what’s included in this camping-themed pack along with the Common Core Standard(s) each center supports:-Packing Up Prime and Composite Numbers: Sort 27 prime and composite numbers (4.OA.4)-Fishing for Fractions: Identify, order, make 2 fractions equivalent (20