Eureka Tub of Numbers Math Tiles, Back to School Classroom Supplies Educational Toy, 1'' x 1'', 175 pc Includes (175) plastic number tiles in a plastic storage tub. Plastic number tiles measure 1'' x 1''. Learning how to do math is easy and fun with this tub of number tiles. Comes with different symbols so you can teach addition, division, multiplication, and more! Includes (176) number tiles. Plastic number tiles make this educational math toy easy to clean up and sanitize, perfect for classrooms!