Manipulatives are great for teaching early childhood learning and a great tool in helping students recognize connections within each educational topic. Our Number Tiles Tub allows students to exercise problem solving skills through adding, subtracting, multiplying and dividing. Provides a fun and interactive approach to teaching mathematical problem solving and number recognition. Includes 175 number tiles, 0-9 plus mathematical symbols. Each measures 1″ x 1″ . Plastic Tub measure 3 3/4″ x 5 1/2″ x 3 3/4″ .