Use these versatile, hands-on magnetic tiles to demonstrate addition and subtraction concepts and equations during small-group instruction, individual tutoring and center activities. Set of 240 1" tiles includes 85 answer tiles, 130 equation tiles and 25 operation tiles. Tiles are color-coded: equation tiles are yellow, answers are purple, and operations are white. For use on any magnetic surface, including our Magnetic Tabletop Pocket Chart (LER 7191). Aligns with Math Rods® Addition & Subtraction Kit (LER 5201).