ASL Math Winter Polar Bears Numeracy Activities and Games are perfect for math centers, math instruction, review, or practice. This resource is teacher friendly by providing a data sheet to track student progress. The Acknowledgment Cards can be given to students when they have accomplished each skill. Why use Acknowledgment Cards?Using Acknowledgment Cards recognizes students’ achievement for accomplishing each skill and establishes a sense of pride. ASL Polar Math is linked to the Common Core.