Land and Water Form Trays plastic-figures This large two-compartment box with

This large two-compartment box with lid contains all the equations and differences for the subtraction combinations 1–18: one set with equations printed on them

and associates the quantity with the symbol

This helps the child develop the ability to subitize—that is

Five sets of coloured bead bars for the numbers 1–9

Learn shapes

Land and Water Form Trays plastic-figures This large two-compartment box withTen trays of the most common land and water forms: lake, island, gulf, peninsula, strait, isthmus, bay, cape, archipelago, and system of lakes. Set A (6 trays): lake, island, gulf, peninsula, strait, and isthmus. Set B (4 trays): bay, cape, archipelago, and system of lakes. The Land and Water Form Trays are a tool used to teach the names of different land forms and water forms. The child pours water into each tray in order to visualize where the land