Manipulatives are great for teaching early childhood learning and a great tool in helping students recognize connections within each educational topic. Eureka 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".