Tree Hollow Math -- Addition & Subtraction Sort Help your students 'raid' the forest for math facts! This Raccoon-themed math center is a hands-on way to practice number sense, addition, and subtraction. Whether your students are just learning to recognize numbers 0-12 or are ready to solve equations, these adorable raccoons and their hollow trees make math feel like a game. WHAT’S INCLUDED:Differentiated Learning: Includes three ways to play—number matching, addition sorting, and subtraction so