The INTERLOCKING BASE TEN 10 FLATS (1 x 10 x 10 cm) is a must have for your math manipulatives classroom collection! Help teach students different math operations such ass adding and subtracting as well as place favlue and mroe! This unique set of Base Ten components conveniently interlocks to teach math concepts, value and grouping while enabling students to easily manipulate and visualize varying quantities. Can also be used with the upper grades to explore spatial relationships and volume as well.