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.   Set includes 175 number tiles and 5 mathematical symbols each tile measuring 1" x 1". Set comes packaged in a reusable tub measuring 3 3/4" x 5 1/2" x 3 3/4".